BURANRAT, B. 2023. In vitro evaluation of the antiproliferative activity of Piper retrofractum on human cholangiocarcinoma cells. Notulae Botanicae Horti Agrobotanici Cluj-Napoca. 51, 4 (Nov. 2023), 12939. DOI:https://doi.org/10.15835/nbha51412939.