Gabay C, Medinger-Sadowski C, Gascon D et al. Symptomatic effects of chondroitin 4 and Chondroitin 6 sulfate on hand osteoarthritis.
Wandel S, Jüni P, Tendal B et al. Effects of glucosamine, chondroitin, or placebo in patients with osteoarthritis of hip or knee: network meta-analysis.