Know the normal, or else...
D000293:Adolescent; D001925:Brain Damage, Chronic / Q000175:diagnosis; D002648:Child; D002653:Child Behavior Disorders / Q000175:diagnosis; D002675:Child, Preschool; D002944:Circumcision, Male / Q000009:adverse effects; D003951:Diagnostic Errors; D006801:Humans; D006948:Hyperkinesis / Q000175:diagnosis; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D013514:Surgical Procedures, Operative; D014068:Tonsillectomy