The Effect of Vitamin D3 Alone and Mixed With IFN-γ on Tachyzoites of Toxoplasma gondii (RH Strain) Proliferation and Nitric Oxide (NO) Production in Infected Macrophages of BALB/C Mice - Ghaffarifar, F; Abdolah Pour, M; Sharifi, Z; Dalimi Asl, A; Al-Kawaz, E (Iranian Journal of Parasitology)