Walt, R P Comparison of ranitidine and cimetidine maintenance treatment of duodenal ulcer. [electronic resource] - Scandinavian journal of gastroenterology Nov 1984 - 1045-7 p. digital Publication Type: Clinical Trial; Comparative Study; Controlled Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0036-5521 Subjects--Topical Terms: AdolescentAdultAgedCimetidine--adverse effectsClinical Trials as TopicDuodenal Ulcer--drug therapyFemaleHumansMaleMiddle AgedRanitidine--adverse effectsRecurrence