TY - JOUR T1 - How well do we understand calcium and vitamin D? JF - Cleveland Clinic Journal of Medicine JO - Cleve Clin J Med SP - 505 LP - 506 DO - 10.3949/ccjm.85b.07018 VL - 85 IS - 7 AU - Brian F. Mandell Y1 - 2018/07/01 UR - http://www.ccjm.org/content/85/7/505.abstract N2 - ER -