Bardhan, K D Combined anti-muscarinic and H2 receptor blockade in the healing of refractory duodenal ulcer. A double blind study. [electronic resource] - Gut Nov 1987 - 1505-9 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial ISSN: 0017-5749 Standard No.: 10.1136/gut.28.11.1505 doi Subjects--Topical Terms: AdultAgedCimetidine--adverse effectsClinical Trials as TopicDouble-Blind MethodDrug Therapy, CombinationDuodenal Ulcer--drug therapyFemaleHumansMaleMiddle AgedPain--etiologyPatient CompliancePirenzepine--adverse effectsRandom Allocation