web | https://www.washingtonpost.com/news/to-your-health/wp/2017/12/26/calcium-and-vitamin-d-supplements-may-not-protect-against-bone-fractures-in-elderly/?utm_term=.dd2c04ec1ab7 |
author | Ariana Eunjung Cha |
publication | Washington Post |
date | 2017-12-26 |
web | Jia-Guo Zhao, MD; Xian-Tie Zen... | JAMA | 2017-12-26 |
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