%0 Journal Article %T Study on ovine abortion associated with Toxoplasma gondiin affected herds of Khorasan Razavi Province,based on PCR detection of fetal brains and maternal serologyran %A , %A Razmi, Gholam Reza %A Bassami, Mohammad Reza %A Movassaghi, Ahmad Reza %A Azizzadeh, Mohammad %J Parasitology %@ 0031-1820 %D 2011