AU - Stoker GE, Buchowski JM, Stoker ME TI - PRior cholecystectomy as a predictor of preoperative vitamin d deficiency in adults undergoing spine surgery PT - JOUR DP - 2012 TA - Archives of Surgery pages = {577-578}, VI - 147 IP - 6 AID - 10.1001/archsurg.2012.463 [doi] 4100 - http://dx.doi.org/10.1001/archsurg.2012.463 SO - Archives of Surgery June 1, 2012 147(6):577