Allopurinol potentiates the hepatoprotective effect of metformin and vitamin E in fructose-induced fatty liver in rats - Khalaf, Hanaa Mohamed; Ibrahim, Mohamed Abdellah; Amin, Entesar Farghaly; Ibrahim, Salwa Abdel-tawab; Abdel-Wahab, Soha; Fouad, Yasser Mahrous (Clinical and Experimental Hepatology, 2019)