Ethanolic extract of the Goldenseal, Hydrastis canadensis, has demonstrable chemopreventive effects on HeLa cells in vitro: Drug-DNA interaction with calf thymus DNA as target.
Environ Toxicol Pharmacol. 2013 Jul;36(1):202-14. doi: 10.1016/j.etap.2013.03.023. Epub 2013 Apr 8.
Environ Toxicol Pharmacol. 2013.
PMID: 23628949