Effect of Ab against HCV peptide on induction of thrombocytopenia in Balb/C mice. Purified control mouse IgG (Ctl), rabbit GPIIIa49-66 IgG, and mouse IgG against PHC09 (50 μg) were injected intraperitoneally into Balb/C mice, and platelet counts followed for 24 hours. n = 4. SEM is given.