Morris, D L Optimal timing of operation for bleeding peptic ulcer: prospective randomised trial. [electronic resource] - British medical journal (Clinical research ed.) Apr 1984 - 1277-80 p. digital Publication Type: Clinical Trial; Journal Article; Randomized Controlled Trial; Research Support, Non-U.S. Gov't ISSN: 0267-0623 Standard No.: 10.1136/bmj.288.6426.1277 doi Subjects--Topical Terms: AdultAge FactorsAgedDuodenal Ulcer--complicationsFemaleHumansMaleMiddle AgedPeptic Ulcer Hemorrhage--mortalityPostoperative Complications--mortalityProspective StudiesRandom AllocationStomach Ulcer--complicationsTime Factors