| abstract |
Radioimmunoassay methods for determining the concentration of fibrinopeptide A in plasma, anticoagulation reagents for use in such methods selected from the group consisting of D-Phe-Pro-ArgCh 2 Cl, the hydrochloric acid addition salt thereof; the hydrofluoric acid addition salt thereof, the acetic acid addition salt thereof and the citric acid addition salt thereof, and package test kits containing the reagents for use in such methods are provided. |