Davis VL, Jayo MJ, Ho A, Kotlarczyk MP, Hardy ML, Foster WG, Hughes CL (2008). „Black cohosh increases metastatic mammary cancer in transgenic mice expressing c-erbB2”. Cancer Research68 (20), 8377–8383. o. DOI:10.1158/0008-5472.CAN-08-1812. PMID18922910.
Davis VL, Jayo MJ, Ho A, Kotlarczyk MP, Hardy ML, Foster WG, Hughes CL (2008). „Black cohosh increases metastatic mammary cancer in transgenic mice expressing c-erbB2”. Cancer Research68 (20), 8377–8383. o. DOI:10.1158/0008-5472.CAN-08-1812. PMID18922910.