Asch, S.Studies in independence and conformity: A minority of one against a unanimous majority. Psycholog. Mono gr., 1956, 70 (9) (Whole No. i6).
2.
Gerard, A. Advantages of breastfeeding. Unpublished pamphlet. Available at Columbia Presbyterian Hospital Maternity Ward, New York, N.Y., (n.d.).
3.
Jackson, E., Wilkin, L., & Auerbach, K.Statistical report on incidence and duration of breastfeeding in relation to personal social and hospital maternity factors. Pediatrics, 1956, 17, 700-713.
4.
Ladas, A. K. The relationship of information and support to behavior: The La Leche League and breastfeeding. Doctoral dissertation, Teachers College, Columbia University, 1970. Available from University Microfilms, Ann Arbor, Michigan, No. 72-4172.
5.
La Leche League International. The womanly art of breastfeeding. Franklin Park, Ill.: The League, 1963.
6.
Newton, N., & Newton, M.Psychologic aspects of lactation. New England A. Medicine, 1967, 277, 1179-1181.
7.
Raphael, D. The lactation suckling reflex within a matrix of supportive behavior. Doctoral dissertation, Columbia University, 1966. Available from University Microfilms, Ann Arbor, Michigan, No. 69-1558o.