NURPUDJI A TASLIM, et al. “DOUBLE-BLIND RANDOMIZED CLINICAL TRIAL OF KAEMPFERIA GALANGA L EXTRACT AS AN ANTI-INFLAMMATION (PROSTAGLANDIN E2 AND TUMOR NECROSIS FACTOR ALPHA) ON OSTEOARTHRITIS”. Asian Journal of Pharmaceutical and Clinical Research, vol. 12, no. 5, May 2019, pp. 63-66, doi:10.22159/ajpcr.2019.v12i5.31777.