Amjadi, A. R. , , Vand Yooslfi, J. , , Aarabi, J. , and Ezzi, A. . "Studies of ovine respiratory infections in Iran with efficacy of injectable lincocin & linco-spectin", Archives of Razi Institute, 31, 1, 1979, 103-112. doi: 10.22092/ari.1979.108848