Sandifer's syndrome: a new cause.
D002653:Child Behavior Disorders / Q000209:etiology*; D002675:Child, Preschool; D004947:Esophagus; D005547:Foreign Bodies / Q000150:complications*; D006257:Head; D006801:Humans; D008297:Male; D009069:Movement Disorders / Q000209:etiology*; D013577:Syndrome