The cytotoxic activity of pine needles ethanolic extract of Pinus merkusii on HeLa cell linesAnnise Proboningrat, Amaq Fadholly, Sri Agus Sudjarwo, Fedik Abdul Rantam and Agung Budianto AchmadBIO Web Conf., 33 (2021) 03001DOI: https://doi.org/10.1051/bioconf/20213303001