Fig. 4From: Protective effects of Zingiber officinale extract on myocardium and placenta against labetalol-induced histopathological, immune-histochemical, and ultrastructural alterations in pregnant ratsGraph showing the mean weight of 20th day placenta of different groups. Data are represented as mean ± SEM. Asterisks (***P > 0.001) refer to the P value compared with the control group. a = highly significant (P < 0.001) compared with labetalol groupBack to article page