Evaluation of the immune response induced by DNA vaccine cocktail expressing complete SAG1 and ROP2 genes against toxoplasmosis34034, K. Khosroshahi, Hoseinian, Ghaffarifar F., D'Souza S., Sharifi Z., and Dalimi A. , Vaccine, 17/1/2011, Volume 29, Issue 4, Number 783, p.778 - 783, (2011)