Thomudtha, A. et al. 2022. Evaluation of Ultrasonically Assisted Extraction of the Thai Polyherbal Formulation, Mahajak on Antioxidation and Anti-Inflammation Activities: http://www.doi.org/10.26538/tjnpr/v6i11.26. Tropical Journal of Natural Product Research (TJNPR). 6, 11 (Nov. 2022), 1900–1905.