Rungcharn Suksungworn, Kiattawee Choowongkomon, and Sutsawat Duangsrisai. 2021. “In vitro anti-oxidant, anti-microbial and anti-HIV-1 reverse transcriptase activities and isolation of bergenin from Shorea obtusa Wall. ex Blume”. Agriculture and Natural Resources 55 (3). Bangkok, Thailand:395–404. https://li01.tci-thaijo.org/index.php/anres/article/view/251415.