Hoang Van Trung, et al. “The Triterpenoid and Steroid from the Fruiting Body of Ganoderma Applanatum (Pers.) Pat. In Viet Nam”. <i>Vietnam Journal of Science and Technology</i>, vol. 56, no. 5, Oct. 2018, pp. 550-6, doi:10.15625/2525-2518/56/5/12588.