AU - Grey A, Bolland M TI - VItamin d supplementation and fracture risk—reply PT - JOUR DP - 2011 TA - Archives of Internal Medicine pages = {265-266}, VI - 171 IP - 3 AID - 10.1001/archinternmed.2010.532 [doi] 4100 - http://dx.doi.org/10.1001/archinternmed.2010.532 SO - Archives of Internal Medicine February 14, 2011 171(3):265