RT Journal Article SR Electronic T1 Should healthy people take calcium and vitamin D to prevent fractures? What the US Preventive Services Task Force and others say JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 341 OP 344 DO 10.3949/ccjm.80a.13050 VO 80 IS 6 A1 Robin K. Dore YR 2013 UL http://www.ccjm.org/content/80/6/341.abstract AB