
Keywords: کسر اتیل استات; Azadirachta indica; Anti-leishmanial activity; Leishman-Donovan units; Th1/Th2 cytokines; Reactive oxygen species; Nitric oxide; EAF; ethyl acetate fraction; VL; visceral leishmaniasis; THP-1; human monocytic leukemia cells; PBMCs; peripheral blood mono