@article{
  author = {pirestani, akbar, emamimeybodi, amirabbas, ghalamkari, gholamreza, eghbalsaeediaboueshaghi, shahin},
  title = {Effect of increasing energy levels of diet and heat synchronization on steroid hormones and reproductive indices in Holstein heifers},
  journal = {Veterinary Clinical Pathology The Quarterly Scientific Journal},
  year = {2013},
  volume = {7},
  number = {2},
  pages = {1856-1872},
  doi = {}
}