Fig. 8

a Effects of oral administration of nizatidine, ranitidine (27 mg/kg b. wt.) given once a day for 4 weeks on serum follicle-stimulating hormone of male albino rats. b Effects of oral administration of nizatidine, ranitidine (27 mg/kg b. wt.) given once a day for 4 weeks on serum luteinizing hormone of male albino rats. c Effects of oral administration of nizatidine, ranitidine (27 mg/kg b. wt.) given once a day for 4 weeks on serum prolactin hormone of male albino rats. d Effects of oral administration of nizatidine, ranitidine (27 mg/kg b. wt.) given once a day for 4 weeks on serum total serum testosterone hormone of male albino rats. e Effects of oral administration of nizatidine, ranitidine (27 mg/kg b. wt.) given once a day for 4 weeks on serum free testosterone hormone of male albino rats