Abstract
Background
Cholangiocarcinoma is a serious public health in Thailand with increasing incidence and mortality rates.
The present study aimed to investigate cytotoxic activities of crude ethanol extracts of a total of 28 plants and 5 recipes used in Thai folklore medicine against human cholangiocarcinoma (CL-6),
human laryngeal (Hep-2),
and human hepatocarcinoma (HepG2) cell lines in vitro.