Pereira, David M Plant secondary metabolites in cancer chemotherapy: where are we? [electronic resource] - Current pharmaceutical biotechnology Apr 2012 - 632-50 p. digital Publication Type: Journal Article; Review ISSN: 1873-4316 Standard No.: 10.2174/138920112799857530 doi Subjects--Topical Terms: AnimalsAntineoplastic Agents, Phytogenic--pharmacologyClinical Trials as TopicHumansNeoplasms--drug therapyPlant Extracts--pharmacologyPlants--chemistry