El refaey, Mona, Rasha Elkenany, and Gamal Younis. 2023. “Virulotyping and Antibiograms of Pathogenic Escherichia Coli Isolated from Calves Suffering from Diarrhea”. Journal of Advanced Veterinary Research 13 (9):1901-6. https://advetresearch.com/index.php/AVR/article/view/1542.