Recurrent abdominal pain in children.
D000005:Abdomen; D002675:Child, Preschool; D005767:Gastrointestinal Diseases / Q000175:diagnosis; D006801:Humans; D006869:Hydronephrosis / Q000175:diagnosis; D010146:Pain / Q000175:diagnosis*; D011602:Psychophysiologic Disorders / Q000175:diagnosis; D013315:Stress, Psychological