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Zhang Q, Shi L, Peng N, Xu S, Zhang M, Zhang S, Li H, Zhuang H, Gong M, Wu D, Wang R. Serum concentrations of 25-hydroxyvitamin D and its association with bone mineral density and serum parathyroid hormone levels during winter in urban males from Guiyang, Southwest China. Br J Nutr. 2016 Mar 28;115(6):960–6. doi: 10.1017/s0007114515005383. PMID: 26843386. |