Mother-child interaction in the first year of life.
D000328:Adult; D001722:Birth Order; D002657:Child Development; D004522:Educational Status; D005260:Female; D006801:Humans; D007223:Infant; D008425:Maternal Behavior; D009034:Mother-Child Relations; D009790:Occupations; D012959:Socioeconomic Factors; D014110:Touch; D014831:Voice