Hassan, A. K., M. A. Shahata, E. M. Refaie, and R. S. Ibrahim. “Detection and Identification of Helicobacter Pullorum in Poultry Species in Upper Egypt”. Journal of Advanced Veterinary Research, vol. 4, no. 1, Jan. 2014, pp. 42-48, https://advetresearch.com/index.php/AVR/article/view/71.