3[3]Rajiv Bahl,Chris Frost,Betty R.Kirkwood,et al.Infant feeding patterns and risks of death and hospitalization in the first half of infancy[J].Bulletin of the World Health Organization,2005,83 (6):418-426.
4[4]Ward M,Sheridan A,Howell F,et al.Infant feeding:factors affecting initiation,exclusivity and duration[J].Ir Med J,2004,97(7):197-199.
5[5]Bernardo L Horta,Rajiv Bahl,Jose C Martines,et al.Evidence on the long-term effects of breastfeeding:systematic reviews and meta-analysis[EB/OL].Switzerland:WHO,2007[2007-05-14].http://www.who.int/child-adolescent-health/New_Publications/NUTRITION/ISBN_92_4_159523_0.pdf.
6[6]Breastfeeding and the Use of Human Milk[EB/OL].Illinois:the American Academy of Pediatrics,2005[2007-05-14].http://pediatrics.aappublications.org/cgi/content/full/pediatrics;115/2/496.
7[7]Hepatitis B and breastfeeding[EB/OL].Switzerland:WHO,1996[2007-05-14].http://www.who.int/child-adolescent-health/publications/NUTRITION/Up_22.htm.
