Patient comfort after upper abdominal surgery. Effect of routine nasogastric suction.
D000005:Abdomen / Q000601:surgery*; D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007441:Intubation, Gastrointestinal / Q000009:adverse effects*; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D011183:Postoperative Complications / Q000209:etiology; D011446:Prospective Studies