[Retardation of language attainment in 2 groups of siblings of which one group was twins].
DUCHET
D J
DJ
VAUGELADE
S
S
LEVY
MARCOWITCH
M
M
D001037:Aphasia; D002648:Child; D004194:Disease; D004200:Diseases in Twins; D006801:Humans; D007223:Infant; D008607:Intellectual Disability / Q000235:genetics*; D007802:Language; D035781:Siblings; D014427:Twins
APHASIA/in infancy and childhood; MENTAL DEFICIENCY/genetics; TWINS/diseases