Zhao, Weimin Identification of urushiols as the major active principle of the Siddha herbal medicine Semecarpus Lehyam: Anti-tumor agents for the treatment of breast cancer. [electronic resource] - Pharmaceutical biology Sep 2009 - 886-893 p. digital Publication Type: Journal Article ISSN: 1744-5116 Standard No.: 10.1080/13880200902942410 doi