1. Hanson LA, editor. Biology of human milk. NNW Series (15). New York: Raven Press, 1988.
2. Hanson LA, Dahlman-Höglund A, Karlsson M, Lundin S, Dahlgren U, Telemo E. Normal microbial flora of the gut and the immune system. In: Hanson LA, Yolken RH, editors. Probiotics, other nutritional factors and intestinal microflora. 42nd NNW Series. Lipincott-Raven Publishers, 1999. p. 217–28.
3. Does breast-feeding affect the infant’s immune responsiveness?;Wold;Acta Paediatrica,1998
4. Studies on breast-feeding and infections. How good is the evidence?;Bauchner;J Am Med Assoc,1986
5. Protective effect of breastfeeding against infection;Howie;Br Med J,1990