Alamian, S., R. Bagheri Nejad, H. R. Jalali, A. Kalantari, and A. Etemadi. “Innocuousness of Conjunctival Vaccination With Brucella Melitensis Strain Rev.1 in Pregnant Iranian Fat-Tailed Ewes”. Veterinary Science Development, vol. 5, no. 2, July 2015, doi:10.4081/vsd.2015.5997.