@article{
  author = {Esmaeili Sany, SH, Nadalian, M.GH, Nouri, محمد, Sakha, مهدی},
  title = {Seasonal study of serumic zinc levels in cows suspected of deficiency and its relationship with diet in industrial dairy farms of Urmia},
  journal = {Veterinary Clinical Pathology The Quarterly Scientific Journal},
  year = {2010},
  volume = {3},
  number = {4},
  pages = {637-643},
  doi = {}
}