[Aid to the retarded child in Belgium; study tour under the auspices of the World Health Organization].
D001530:Belgium; D002648:Child; D006801:Humans; D008607:Intellectual Disability; D014944:World Health Organization
MENTAL DEFICIENCY
L'assistance à l'enfant arriéré en Belgique; voyage d'études sous les auspices de I'Organisation Mondiale de la Santé.