"Duodenal Ulcer." . . . . . "Duodenal ulcer"@en . . . "Duodenal ulcer; a sociopsychological study of naval enlisted personnel and civilians" . "Duodenal ulcer; a sociopsychological study of naval enlisted personnel and civilians"@en . . . . "Duodenal Ulcer. A sociopsychological study of naval enlisted personnel and civilians. By J. Ruesch [and others], etc"@en . . . . . . . . "Naval Hospital (San Leandro, Calif.)" . .