Rossini, F P Histological aspects and healing rates of gastric ulcers treated with omeprazole 20 mg once daily or ranitidine 150 mg B.I.D. [electronic resource] - Panminerva medica - 94-6 p. digital Publication Type: Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial ISSN: 0031-0808 Subjects--Topical Terms: AdolescentAdultAgedAged, 80 and overDouble-Blind MethodDrug Administration ScheduleDrug EvaluationFemaleHumansMaleMiddle AgedOmeprazole--administration & dosageRanitidine--administration & dosageStomach Ulcer--drug therapy