Shabani, S., Mehri, M., Shirmohammad, F., & Sharafi, M. "Evaluation of dietary effects of soybean lecithin and vitamin E on sperm quality parameters in Hubbard grandparent roosters", Iranian Journal of animal Science, 52, 3, 2021, 177–188. doi: 10.22059/ijas.2021.324395.653830