Polymorphisms of genes related to vitamin D metabolism and transportation and its relationship with the risk of osteoporosis: protocol for a multicentre prospective cohort study in China
Jing Wang, Bing Shu, Chen-Guang Li, Xing-Wen Xie, De Liang, Bo-Lai Chen, Xin-Chao Lin, Xu Wei, Liang Wang, Xiang-Yang Leng, Ying-Jie Zhou, Pei-Zhan Chen, Yu-Ren Tao, Yong Zhou, Yan Zhang, Xue-Jun Cui, Sheng Lu, Hui Wang, Qi Shi, Yong-Jun Wang
BMJ Open Nov 2019, 9 (11) e028084; DOI: 10.1136/bmjopen-2018-028084