OWADH HK, GHALEB RA, ALZUBAIDI FA, . Forty Micromole Hydroxychloroquine Enhanced Cytotoxic Effect of Doxorubicin Against Laryngeal Cancer Cell Line HEp-2. J.Res.Pharm. 2022; 26(4): 714-721. http://dx.doi.org/10.29228/jrp.169