Fig. 1From: Possible ameliorative effect of human placental extract on methotrexate-induced nephrotoxicity in albino ratsThe levels of (A) urea, (B) creatinine, (C) sodium and (D) potassium in sera of animals of the different experimental groups. (***): highly significant at p < 0.001 compared with the control group. (**): significant at p < 0.01 compared with the control group. (a): highly significant at p < 0.001 compared with MTX groupBack to article page