RT Journal Article SR Electronic T1 Review: oral vitamin D prevents non-vertebral and hip fractures in a dose-dependent manner in patients ⩾65 years of age JF Evidence Based Medicine JO Evid Based Med FD BMJ Publishing Group Ltd SP 149 OP 149 DO 10.1136/ebm.14.5.149 VO 14 IS 5 YR 2009 UL http://ebm.bmj.com/content/14/5/149.abstract AB