Observation versus operation for abdominal pain in the right lower quadrant. Roles of the clinical examination and the leukocyte count.
D000005:Abdomen; D000006:Abdomen, Acute / Q000175:diagnosis*; D001064:Appendicitis / Q000175:diagnosis*; D006801:Humans; D007958:Leukocyte Count; D010146:Pain / Q000601:surgery*; D010808:Physical Examination