title: Evaluating communicative behaviors in infancy.
authors: L J
authors: LJ
authors: Lombardino
authors: J B
authors: JB
authors: Stapell
authors: K J
authors: KJ
authors: Gerhardt
mesh_terms: D002652:Child Behavior; D003142:Communication; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009633:Nonverbal Communication