Tajik,P , , Mokhber-Dezfuli,M , , Alighazi,N , , Rahimi-Feyli,P , and Shafiei,S . "The Effect of Follicle Stimulating Hormone (FSH) on Colony Formation of Ovine Spermatogonial Stem Cells in Vitro", Journal of Isfahan Medical School, 31, 268, 2014, 2228-2237.