Document Classification

Section Type: METHODS

Text: Three hundred and twenty H. pylori-positive patients were randomly subdivided into four equal-sized groups and received one of the following treatments : OAM = omeprazole 20 mg b. d. + amoxycillin 1 g b. d. + metronidazole 500 mg b. d.; RAM = ranitidine 300 mg b. d. + amoxycillin 1 g b. d. + metronidazole 500 mg b. d.; OAC = omeprazole 20 mg b. d. + amoxycillin 1 g b. d. + clarithromycin 250 mg t. d. s.; RAC = ranitidine 300 mg b. d. + amoxycillin 1 g b. d. + clarithromycin 250 mg t. d. s.