The high prevalence of hypovitaminosis D in China: a multicenter vitamin D status survey.
Yu S, Fang H, Han J, Cheng X, Xia L, Li S, Liu M, Tao Z, Wang L, Hou L, Qin X, Li P, Zhang R, Su W, Qiu L.
Yu S, et al.
Medicine (Baltimore). 2015 Feb;94(8):e585. doi: 10.1097/MD.0000000000000585.
Medicine (Baltimore). 2015.
PMID: 25715263
Free PMC article.