El-Dakhly, Khaled Mohamed, Nermean Hussein, and El-Shaymaa El-Nahass. “Occurrence of Helminths in the Great Cormorants, Phalacrocorax Carbo, in Qena, Egypt”. Journal of Advanced Veterinary Research 8, no. 1 (January 5, 2018): 6-11. Accessed July 12, 2020. https://advetresearch.com/index.php/AVR/article/view/282.