AU  -  McAlindon T, LaValley M, Schneider E, et al
TI  - Effect of vitamin d supplementation on progression of knee pain and cartilage volume loss in patients with symptomatic osteoarthritis: A randomized controlled trial
PT  - JOUR
DP  - 2013
TA  - JAMA
pages = {155-162},
VI  - 309
IP  - 2
AID  - 10.1001/jama.2012.164487 [doi]
4100  - http://dx.doi.org/10.1001/jama.2012.164487
SO  - JAMA January 9, 2013 309(2):155