@article{
  author = {Dodangeh, A., Yadi, J., Ghazikhanishad, A.},
  title = {Effect of Melatonin on reproduction parameters in
Shall ewes out of breading season},
  journal = {journal of veterinary clinical research},
  year = {2013},
  volume = {4},
  number = {2},
  pages = {123-128},
  doi = {}
}