6Wang YS, Wu SY. The effect of exclusive breastfeeding on development and incidence of infection in infants J Hum Lact , 1996, 12, 27:30
7Wright AL, Bauer M, Naylor A et al. Increasing breastfeeding rates to reduce infant illness at the community level. Pediatrics, 1998, 101, 837 : 44
8Scariati PD, Grummer - Strawn LM, Fein SB. A longitudinal analysis of infant morbidity and extent of breastfeeding in the United States. Pediatrics, 1997, 99:5
9Duffy LC, Faden H, Wasielewski R et al. Exclusive breastfeeding protests against bacterial colonization and cay care exposure to otitis media. Pediatrics, 1997, 100:e7
10Von Kries, Koletzko B, Sauerwald T, yon Mutius et al.Breastfeeding and obesity: cross sectional study: Br Med J, 1999, 319:147
