The acute surgical abdomen in children.
D000006:Abdomen, Acute; D000007:Abdominal Injuries; D001064:Appendicitis; D002648:Child; D002675:Child, Preschool; D006471:Gastrointestinal Hemorrhage; D006801:Humans; D007223:Infant; D007415:Intestinal Obstruction; D007443:Intussusception