@article{
  author = {Hassanpour, Ali, Moghaddam, Gh, Amoughli Tabrizi, بهرام, Mirzaie, حمید, Hajipour Sofiani, کریم},
  title = {Investigation of the occurrence of pregnancy toxemia in the sheep of Sofian area of Tabriz},
  journal = {Veterinary Clinical Pathology The Quarterly Scientific Journal},
  year = {2007},
  volume = {1},
  number = {1},
  pages = {21-26},
  doi = {}
}