Letter: Dystonic movements and blood thyroxine.
D002675:Child, Preschool; D003409:Congenital Hypothyroidism / Q000150:complications; D005260:Female; D006801:Humans; D009069:Movement Disorders / Q000097:blood* / Q000209:etiology; D013974:Thyroxine / Q000097:blood*
D013974:Thyroxine