normal and control serum samples ( from 10 normal laboratory volunteers , nine patients without thrombocytopenia receiving heparin , nine patients with autoimmune thrombocytopenic purpura , and nine patients with nonimmune thrombocytopenia not receiving heparin ) showed only a slight increase in spbig of 0 to 2.8 fg/platelet above baseline , a mean increase of 15 % after heparin incubation with the serum samples .
C0040034
thrombocytopenia
C0019134
heparin