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APA Citation
Wang, J., Chen, L., Zhang, Y., Li, C., Zhang, H., Wang, Q., Qi, X., Qiao, L., Da, W., Cui, X., Lu, S., Wang, Y., & Shu, B. (2019). association between serum vitamin B6 concentration and risk of osteoporosis in the middle-aged and older people in China: a cross-sectional study. BMJ open, 9(7), . http://access.bl.uk/ark:/81055/vdc_100150404095.0x00000a