Sidkey, B. A. J. .; Hassan, R. A. .; Al-Shahwany, A. W. . Cytotoxic Effects of Glycyrrhiza Glabra L., Morus Nigra L. And Urtica Urens L. Extract Against the Human Hepatocarcinoma HepG2 and Mouse L20B Cell Lines . JOBRC 2017, 11, 19-25.