Lee, Sook YoungKim, Haeng HoonPark, Sang Un2015-04-222015-04-222015-02-021611-2156http://hdl.handle.net/2003/3406310.17877/DE290R-7276enEXCLI Journal ; Vol. 14, 2015610Recent studies on betulinic acid and its biological and pharmacological activityarticle (journal)