[Radiocephalometrictudy of subjects with a trisomy 21].
D002508:Cephalometry; D002648:Child; D002675:Child, Preschool; D005145:Face / Q000002:abnormalities*; D006801:Humans; D007569:Jaw Abnormalities; D014314:Trisomy
Etude radiocéphalométriq de sujets présentant une trisomie 21.