AU - Maguire JL, Birken CS, Khovratovich M, et al TI - Modifiable determinants of serum 25-hydroxyvitamin d status in early childhood: Opportunities for prevention PT - JOUR DP - 2013 TA - JAMA Pediatrics pages = {230-235}, VI - 167 IP - 3 AID - 10.1001/2013.jamapediatrics.226 [doi] 4100 - http://dx.doi.org/10.1001/2013.jamapediatrics.226 SO - JAMA Pediatrics March 1, 2013 167(3):230