Groups	Treatment
Group 1	5 ml/kg/day distilled water, p.o.; (Normal control)
Group 2	5 ml/kg/day distilled water, p.o. + 25 ml per kg of 0.3 M HCl in 60% ethanol; (Ethanol control)
Group 3	20 mg/kg/day omeprazole, p.o. + 25 ml per kg of 0.3 M HCl in 60% ethanol;
Group 4	100 mg/kg/day methanolic extract of P. niruri, p.o. + 25 ml per kg of 0.3 M HCl in 60% ethanol;
Group 5	200 mg/kg/day methanolic extract of P. niruri, p.o. + 25 ml per kg of 0.3 M HCl in 60% ethanol;
Group 6	400 mg/kg/day methanolic extract of P. niruri, p.o. + 25 ml per kg of 0.3 M HCl in 60% ethanol;