McAlindon, T., LaValley, M., Schneider, E., Nuite, M., Lee, J. Y., Price, L. L., Lo, G., Dawson-Hughes, B. Effect of vitamin D supplementation on progression of knee pain and cartilage volume loss in patients with symptomatic osteoarthritis: a randomized controlled trial. JAMA 2013; 2: 155-62

PubMed ID: PM:23299607