1. DHHS blueprint for action on breastfeeding;Satcher;Public Health Rep,2001
2. Breastfeeding and the use of human milk;American Academy of Pediatrics: Work Group on Breastfeeding.;Pediatrics,1997
3. Position of The American Dietetic Association
4. US Department of Health and Human Services Healthy people 2010 2nd ed With understanding and improving health and objectives for improving health Two vols US Government Printing Office