Kovalenko, L. M., and A. I. Kovalenko. “РATHOLOGY OF THE RESPIRATORY TRACT OF PIGS UNDER INFLUENCE OF INFECTIOUS PATIENTS”. Bulletin of Sumy National Agrarian University. The series: Veterinary Medicine, no. 3 (54) (November 29, 2021): 26-30. Accessed November 22, 2024. https://snaubulletin.com.ua/index.php/vm/article/view/500.