Obstruction of the small intestine.
D000293:Adolescent; D000328:Adult; D000368:Aged; D002648:Child; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D007415:Intestinal Obstruction / Q000401:mortality / Q000601:surgery*; D007421:Intestine, Small / Q000601:surgery*; D007441:Intubation, Gastrointestinal; D008297:Male; D008875:Middle Aged; D011182:Postoperative Care; D011183:Postoperative Complications; D011300:Preoperative Care; D011312:Pressure; D014882:Water-Electrolyte Balance