[Evolution of the notion of "learning difficulties"].
D002648:Child; D006801:Humans; D007806:Language Disorders / Q000209:etiology / Q000628:therapy; D007859:Learning Disabilities / Q000209:etiology / Q000628:therapy; D008297:Male; D011618:Psychotic Disorders / Q000150:complications
L'évolution du concept de troubles instrumentaux.