Rizaldy Taslim Pinzon, et al. “A Randomized Controlled Trial of Curcuma Longa and Boswellia Serrata Extract in Osteoarthritis”. Global Journal of Medical Research, vol. 19, no. H3, Oct. 2019, pp. 51-56, https://medicalresearchjournal.org/index.php/GJMR/article/view/1898.