7GEORGIA S.Guldan Paradoxes of plenty:China's infant and childfeeding Transition.Feeding China' s Little Emperors.Stanford,California:Stanford University Press,2000,31-47.
8HURREL R.Influence of vegetable protein sources on trace element and mineral bioavailability[J].J Nutr,2003,133:2973S-2977S.
9Lawrence RM,Lawrence RA.Given the benefits of breastfeeding,what contraindications exist[J]? Pediatr Clin North Am,2001,48(1):235-251.
10Dietary reference intakes for calcium,phosphorus,magnesium,vitamin D and fluorider.Standing Committee on the Scientific Evaluation of Dietary Reference Intakes.Food and Nutrition Board.Institute of Medicine[R].Washington DC:The National Academy Press,1997.
3Dratva J, Merten S, Ackermann-Liebrich U. The timing of complementary feeding of infants in Switzerland:Compli ance with the Swiss and the WHO guidelines[J]. Acta Pae- diatr, 2006,95 (7) : 818-825.
4Simondonk B,Simondon F. Age at introduction of comple- mentary food and physical growth from 2 to 9 months in rural Senegal[J]. Eur J Clin Nutr, 1997,51(10):703-707.
5Ruel MT,Menon P. Child feeding practices are associatedwith child nutritional status in Latin America:Innovative uses of the demo- graphic and health surveys[J]. J Nutr, 2002,132(6) : 1180-1187.
6Pan American Health Organization ,World Health Orga- nization. Guiding principles for complementary feeding of the breasffed child [M]. Washington,DC :PAHO, WHO, 2003.
7Kalanda BF, Verhoeff FH, Brabin BJ. Breast and comple- mentary feeding practices in relation to morbidity and growth in Malawian infants[J]. Eur J Clin Nutr, 2006,60 (23) :401-407.
