Cite
Vitamin D supplementation in the management of knee osteoarthritis: study protocol for a randomized controlled trial.
MLA
Yuelong Cao, et al. “Vitamin D Supplementation in the Management of Knee Osteoarthritis: Study Protocol for a Randomized Controlled Trial.” Trials, vol. 13, no. 1, Jan. 2012, pp. 131–38. EBSCOhost, https://doi.org/10.1186/1745-6215-13-131.
APA
Yuelong Cao, Jones, G., Cicuttini, F., Winzenberg, T., Wluka, A., Sharman, J., Kay Nguo, & Changhai Ding. (2012). Vitamin D supplementation in the management of knee osteoarthritis: study protocol for a randomized controlled trial. Trials, 13(1), 131–138. https://doi.org/10.1186/1745-6215-13-131
Chicago
Yuelong Cao, Graeme Jones, Flavia Cicuttini, Tania Winzenberg, Anita Wluka, James Sharman, Kay Nguo, and Changhai Ding. 2012. “Vitamin D Supplementation in the Management of Knee Osteoarthritis: Study Protocol for a Randomized Controlled Trial.” Trials 13 (1): 131–38. doi:10.1186/1745-6215-13-131.