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1 Monangi N, "Vitamin D status of early preterm infants and the effects of vitamin D intake during hospital stay" 99 : F166-168, 2014
2 Cadario F, "Vitamin D status in cord blood and newborns: ethnic differences" 39 : 35-, 2013
3 Yu X, "Vitamin D status and related factors in newborns in Shanghai, China" 6 : 5600-5610, 2014
4 Tergestina M, "Vitamin D status and adequacy of standard supplementation in preterm neonates from South India" 58 : 661-665, 2014
5 Burris HH, "Vitamin D status among preterm and full-term infants at birth" 75 : 75-80, 2014
6 Markestad T, "Vitamin D nutritional status of premature infants supplemented with 500 IU vitamin D2per day" 72 : 517-520, 1983
7 McCarthy RA, "Vitamin D nutritional status in preterm infants and response to supplementation" 110 : 156-163, 2013
8 Ginde AA, "Vitamin D insufficiency in pregnant and nonpregnant women of childbearing age in the United States" 202 : 436-, 2010
9 최유진, "Vitamin D deficiency in infants aged 1 to 6 months" 대한소아과학회 56 (56): 205-210, 2013
10 Hatun S, "Vitamin D deficiency in early infancy" 135 : 279-282, 2005
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