thrombocytopenia developed in 21 patients ( platelets , < 100 x 10 ( 9 ) per liter ) : 13 of the 50 receiving bovine lung heparin , four of 45 receiving intestinal-mucosa-a heparin , and four of 54 receiving intestinal-musoca-o heparin ( p < 0.005 ) .
C0040034
thrombocytopenia
C0019134
heparin