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25-hydroxyvitamin D (25(OH)D)
- Serum 25-hydroxyvitamin D level, chronic diseases and all-cause mortality in a population-based prospective cohort: the HUNT Study, NorwayYi-Qian Sun, Arnulf Langhammer, Frank Skorpen, Yue Chen, Xiao-Mei MaiBMJ Open Jun 2017, 7 (6) e017256; DOI: 10.1136/bmjopen-2017-017256
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