title: Intraperitoneal drains and nasogastric tubes in elective cholecystectomy.
mesh_terms: D000328:Adult; D000368:Aged; D001663:Bilirubin / Q000097:blood; D002763:Cholecystectomy; D002986:Clinical Trials as Topic; D004322:Drainage; D005260:Female; D005334:Fever / Q000209:etiology; D006242:Haptoglobins / Q000032:analysis; D006801:Humans; D007441:Intubation, Gastrointestinal; D007902:Length of Stay; D008297:Male; D008875:Middle Aged; D010529:Peritoneal Cavity; D011183:Postoperative Complications; D013396:Suction; D014839:Vomiting / Q000209:etiology
chemical_list: D006242:Haptoglobins; D001663:Bilirubin