Portal infiltration of the liver was found in a mean five animals for the 0.9% PS group, with 95% CI of 3.59 to 6.41; a mean of five animals for the cilostazol group, with 95% CI of 0.76 to 9.24; and a mean of five rabbits for the A. sativum group, with 95% CI varying from 2.18 to 7.82 (P=0.6211).