The effect of glucosamine and/or chondroitin sulfate on the progression of knee osteoarthritis: a report from the glucosamine/chondroitin arthritis intervention trial.
Arthritis Rheum. 2008 Oct;58(10):3183-91. doi: 10.1002/art.23973.
Arthritis Rheum. 2008.
PMID: 18821708
Free PMC article.
Clinical Trial.