Implications of infant development among the Mayan Indians of Mexico.
D002657:Child Development; D002668:Child Rearing; D002675:Child, Preschool; D005260:Female; D006801:Humans; D007198:Indians, North American; D007223:Infant; D007224:Infant Care; D007231:Infant, Newborn; D008800:Mexico; D009034:Mother-Child Relations