1. Later development of breast fed and artificially fed infants;Hoefer, C.; Hardy, M.C.;JAMA
2. Feeding in infancy and subsequent psychological difficulties;Rogerson, B.F.C.; Rogerson, C.H.;Journal of Mental Science
3. The effects of infant feeding on speech quality;Broad, B.;NZ Med J,1972
4. Breast versus bottle feeding;Taylor, B.;NZ Med J,1977
5. Some maternal and child developmental characteristics associated with breast feeding: a report from the Dunedin multidisciplinary child development study;Silva, P.A.; Buckfield, P.; Spears, G.F.;Aust Paediatr J,1978