The role of exploratory laparotomy for chronic abdominal pain in children.
D000005:Abdomen; D002648:Child; D002675:Child, Preschool; D002908:Chronic Disease; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007813:Laparotomy; D008297:Male; D010146:Pain / Q000175:diagnosis*