Educationl intervention at home by mothers of disadvantaged inants.
D000328:Adult; D002657:Child Development; D002675:Child, Preschool; D003156:Community Mental Health Services; D003467:Cultural Deprivation; D004519:Education, Special; D005191:Family Characteristics; D005260:Female; D006801:Humans; D007223:Infant; D007224:Infant Care; D007361:Intelligence Tests; D008425:Maternal Behavior; D008875:Middle Aged; D009034:Mother-Child Relations; D012959:Socioeconomic Factors