Mother-to-child speech at 2 years—effects of early postnatal contact

Barnett, 1970, Neonatal separation: The maternal side of interactional deprivation, Pediatrics, 54, 197 Klaus, 1970, Mothers separated from their newborn infants, Pediatr Clin North Am, 17, 1015, 10.1016/S0031-3955(16)32493-2 Leifer, 1972, Effects of mother-infant separation on maternal attachment behavior, Child Dev, 43, 1203, 10.2307/1127508 Klaus, 1972, Maternal attachment: Importance of the first post-partum days, N Engl J Med, 286, 460, 10.1056/NEJM197203022860904 Kennell, 1974, Maternal behavior one year after early and extended post-partum contact, Dev Med Child Neurol, 16, 172, 10.1111/j.1469-8749.1974.tb02738.x Hollingshead, 1958, 387 Phillips, 1970 Ringler, 1973 Snow, 1971