Mouse Fibroblast Growth Factor 8, Androgen Induced (FGF8) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and...

Human Fibroblast Growth Factor 8, Androgen Induced (FGF8) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and...

Pig Fibroblast Growth Factor 7 (FGF7) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 7 (FGF7). Cross Activity: This assay has high...

Mouse Fibroblast Growth Factor 7 (FGF7) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 7 (FGF7) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 6 (FGF6) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 6 (FGF6) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 6 (FGF6) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Zebrafish Fibroblast Growth Factor 6 (FGF6) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 6 (FGF6). Cross Activity: This assay...

Rat Fibroblast Growth Factor 4 (FGF4) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 4 (FGF4) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 4 (FGF4) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Chicken Fibroblast Growth Factor 4 (FGF4) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Cattle Fibroblast Growth Factor 4 (FGF4) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 4 (FGF4). Cross Activity: This assay has...

Rat Fibroblast Growth Factor 3 (FGF3) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 3 (FGF3) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 3 (FGF3) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 23 (FGF23) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 23 (FGF23) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Pig Fibroblast Growth Factor 21 (FGF21) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 21 (FGF21). Cross Activity: This assay has...

Human Fibroblast Growth Factor 21 (FGF21) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 2, Basic (FGF2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Pig Fibroblast Growth Factor 2, Basic (FGF2) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 2, Basic (FGF2). Cross Activity: This...

Mouse Fibroblast Growth Factor 2, Basic (FGF2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Human Fibroblast Growth Factor 2, Basic (FGF2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Rabbit Fibroblast Growth Factor 2, Basic (FGF2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Chicken Fibroblast Growth Factor 2, Basic (FGF2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Rat Fibroblast Growth Factor 19 (FGF19) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 19 (FGF19) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 18 (FGF18) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 18 (FGF18) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 17 (FGF17) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 13 (FGF13) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 13 (FGF13) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 12 (FGF12) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 12 (FGF12) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 12 (FGF12) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 11 (FGF11) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 11 (FGF11) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 11 (FGF11) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 10 (FGF10) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibroblast Growth Factor 10 (FGF10) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibroblast Growth Factor 10 (FGF10) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Pig Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 1, Acidic (FGF1). Cross Activity:...

Mouse Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Human Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Chicken Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Goat Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 1, Acidic (FGF1). Cross Activity:...

Cattle Fibroblast Growth Factor 1, Acidic (FGF1) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibroblast Growth Factor 1, Acidic (FGF1). Cross Activity:...

Rat Fibroblast Activation Protein Alpha (FAPa) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Mouse Fibroblast Activation Protein Alpha (FAPa) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Human Fibroblast Activation Protein Alpha (FAPa) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced...

Rat Fibrinopeptide B (FPB) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinopeptide B (FPB). Cross Activity: This assay has high sensitivity and...

Rat Fibrinopeptide A (FPA) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinopeptide A (FPA). Cross Activity: This assay has high sensitivity and...

Mouse Fibrinopeptide A (FPA) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinopeptide A (FPA). Cross Activity: This assay has high sensitivity and...

Human Fibrinopeptide A (FPA) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinopeptide A (FPA). Cross Activity: This assay has high sensitivity and...

Rat Fibrinogen Like Protein 2 (FGL2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibrinogen Like Protein 2 (FGL2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibrinogen Like Protein 2 (FGL2) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Fibrinogen Like Protein 1 (FGL1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Fibrinogen Like Protein 1 (FGL1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Fibrinogen Gamma (FGg) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions:...

Human Fibrinogen Gamma (FGg) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions:...

Rabbit Fibrinogen Degradation Product (FDP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen Degradation Product (FDP). Cross Activity: This assay...

Rat Fibrinogen Degradation Product (FDP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen Degradation Product (FDP). Cross Activity: This assay...

Mouse Fibrinogen Degradation Product (FDP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen Degradation Product (FDP). Cross Activity: This assay...

Human Fibrinogen Degradation Product (FDP) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen Degradation Product (FDP). Cross Activity: This assay...

Rat Fibrinogen Beta Chain (FGB) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen Beta Chain (FGB). Cross Activity: This assay has high sensitivity...

Mouse Fibrinogen Beta Chain (FGB) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen Beta Chain (FGB). Cross Activity: This assay has high...

Human Fibrinogen beta chain (FGB) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures,...

Rat fibrinogen alpha chain (Fga) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures,...

Human Fibrinogen alpha chain (FGA) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Restrictions: For Research Use Only. Not for use in diagnostic procedures,...

Rat Fibrinogen (FG) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen (FG). Cross Activity: This assay has high sensitivity and excellent...

Pig Fibrinogen (FG) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen (FG). Cross Activity: This assay has high sensitivity and excellent...

Human Fibrinogen (FG) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen (FG). Cross Activity: This assay has high sensitivity and excellent...

Cattle Fibrinogen (FG) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fibrinogen (FG). Cross Activity: This assay has high sensitivity and excellent...

Rat Fibrillin 1 (FBN1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Human Fibrillin 1 (FBN1) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Rat Fetuin B (FETUB) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Human Fetuin B (FETUB) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Cattle Fetuin B (FETUB) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fetuin B (FETUB). Cross Activity: This assay has high sensitivity and excellent...

Human Fetal Hemoglobin (HBF) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Fetal Hemoglobin (HBF). Cross Activity: This assay has high sensitivity and...

Rat Ferroportin (FPN) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Mouse Ferroportin (FPN) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Human Ferroportin (FPN) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Rat Ferrochelatase (FECH) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions: For...

Human Ferrochelatase (FECH) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability Restrictions:...

Rat Ferritin, Mitochondrial (FTMT) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Ferritin, Mitochondrial (FTMT) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Ferritin, Light Polypeptide (FTL) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Ferritin, Light Polypeptide (FTL) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Ferritin, Light Polypeptide (FTL) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Ferritin, Heavy Polypeptide (FTH) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Mouse Ferritin, Heavy Polypeptide (FTH) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Human Ferritin, Heavy Polypeptide (FTH) ELISA Kit is available at Gentaur for next week delivery. Specificity: Cross Activity: Test principle: Assay procedure summary: Stability: Ready-To-Use: Pre-diluted detection reagents and enhanced stability...

Rat Ferritin (FE) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Ferritin (FE). Cross Activity: This assay has high sensitivity and excellent specificity...

Pig Ferritin (FE) ELISA Kit is available at Gentaur for next week delivery. Specificity: This assay has high sensitivity and excellent specificity for detection of Ferritin (FE). Cross Activity: This assay has high sensitivity and excellent specificity...