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APA Citation
Jin, X., Antony, B., Wang, X., Persson, M. S., McAlindon, T., Arden, N. K., Srivastava, S., Srivastava, R., Van Middelkoop, M., Bierma-Zeinstra, S. M., Zhang, W., Cicuttini, F., & Ding, C. (2020). effect of vitamin D supplementation on pain and physical function in patients with knee osteoarthritis (OA): an OA Trial Bank protocol for a systematic review and individual patient data (IPD) meta-analysis. BMJ open, 10(4), . http://access.bl.uk/ark:/81055/vdc_100137793064.0x000012