S. V. T., S. Pillai, R. Singla, and S. Singla, “Clinical benefits of undenatured chicken collagen type II Unstergen® as a nutritional therapy in the management of osteoarthritis: a double-blind, placebo controlled clinical study”, Int J Res Orthop, vol. 11, no. 3, pp. 505–512, Mar. 2025.