title: Communication development in the first three years of life.
mesh_terms: D000367:Age Factors; D002657:Child Development; D002675:Child, Preschool; D003142:Communication; D005123:Eye; D005149:Facial Expression; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009068:Movement; D009633:Nonverbal Communication; D010287:Parent-Child Relations; D011187:Posture; D012737:Sex Factors; D012959:Socioeconomic Factors; D013997:Time Factors; D014705:Verbal Behavior; D014831:Voice