the incidence , severity , and pathogenic mechanism of heparin-associated thrombocytopenia with both bovine and porcine heparin administration were studied in forty normal males randomized to one of four treatment groups : beef lung heparin # 1 , beef lung heparin # 2 , porcine gut heparin , and saline control .
C0019134
heparin
C0040034
thrombocytopenia