Identification and Isolation of Pharmacologically Active Triterpenes in Betuale Cortex, Betula Pendula Roth., Betulaceae. Biomol Biomed [Internet]. 2009 Feb. 20 [cited 2024 May 2];9(1):31-8. Available from: https://www.bjbms.org/ojs/index.php/bjbms/article/view/2853