Wang, Dan Cytotoxic activity of cycloartane triterpenoids from Sphaerophysa salsula. [electronic resource] - Natural product communications Jan 2009 - 23-5 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1934-578X Subjects--Topical Terms: Antineoplastic Agents, Phytogenic--chemistryCell Cycle--drug effectsCell Line, TumorDose-Response Relationship, DrugFabaceae--chemistryHumansMolecular StructureTriterpenes--chemistry