5Carol L W,Frank R G,the Section on Breastfeeding and Committee on Nutrition.Prevention of rickets and vitamin D deficiency in infants,children,and adolescents[J].Pediatrics,2008,122(5)∶1142-1152.
2[2]Fraser D R.Vitamin D-deficiency in Asia[J].J Steroid Biochem Mol Biol,2004,89-90(1-5):491-495.
3[3]Calvo M S,Whiting S J,Barton C N.Vitamin D intake:A global perspective of current status[J].J Nutr,2005,135(2):310-316.
4[4]Hanley D A,Davison K S.Vitamin D insufficiency in North America[J].J Nutr,2005,135(2):332-337.
5[5]Weisberg P,Scanlon K S,Li R,et al.Nutritional rickets among children in the United States:Review of cases reported between 1986 and 2003[J].Am J Clin Nutr,2004,80(6 Suppl):S1697-S1705.
6[6]Pettifor J M.Nutritional rickets:Deficiency of vitamin D,calcium,or both[J] ? Am J Clin Nutr,2004,80(6 Suppl):S1725-S1729.
7[7]Hatun S,Ozkan B,Orbak Z,et al.Vitamin D deficiency in early infancy[J].J Nutr,2005,135(2):279-282.
8[8]Pawley N,Bishop N J.Prenatal and infant predictors of bone health:The influence of vitamin D[J].Am J Clin Nutr,2004,80(6 Suppl):1748S-1751S.
9[9]Shenoy S D,Swifi P,Cody D,et al.Maternal vitamin D deficiency,refractory neonatal hypocalcaemia,and nutritional rickets[J].Arch Dis Child,2005,90(4):437-438.
10[10]Gartner L M,Greer F R.Prevention of rickets and vitamin D deficiency:New guidelines for vitamin D intake[J].Pediatrics,2003,111(4 Pt 1):908-910.