Enhanced antitumor activity of combined methotrexate and histone deacetylase inhibitor valproic acid on mammary cancer in vitro and in vivo. - El Said, Hadia H.; Badary, Osama A.; Shouman, Samia A.; Elmazar, Mohamed M.; El-Khatib, Aiman S. (Canadian Journal of Physiology & Pharmacology, 2022)