title: Tubeless post-operative care of elective cases of duodenal ulcer: a controlled study of 170 cases.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D004381:Duodenal Ulcer / Q000601:surgery / Q000628:therapy*; D005260:Female; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000009:adverse effects; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D013272:Stomach Diseases / Q000209:etiology / Q000628:therapy; D014628:Vagotomy