[Seven mentally retarded siblings: about the benefits of the PKU test].
Inge
I
Axelsson
D000415:Albania / Q000208:ethnology; D004641:Emigration and Immigration; D005260:Female; D005858:Germany; D006801:Humans; D008607:Intellectual Disability / Q000208:ethnology / Q000209:etiology / Q000235:genetics*; D017042:Phenylketonuria, Maternal / Q000150:complications / Q000175:diagnosis / Q000208:ethnology / Q000235:genetics*; D011247:Pregnancy; D035781:Siblings