title: Relationship between smoking history and complications immediately following surgery for duodenal ulcer.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D004381:Duodenal Ulcer / Q000601:surgery*; D006801:Humans; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D009026:Mortality; D011183:Postoperative Complications; D012907:Smoking; D013997:Time Factors