[Evolution of symbolic behavior and the beginning of communication in children under 2 years].
D002652:Child Behavior; D005260:Female; D006801:Humans; D007223:Infant; D007802:Language; D008297:Male; D009633:Nonverbal Communication; D013561:Symbolism
Evolution des conduites symboliques et genèse de la communication chez l'enfant de moins de deux ans.