Pankov, Atanas. “COMPARATIVE ECHOCARDIOGRAPHIC EXAMINATION OF DOGS WITH MYXOMATOUS MITRAL VALVE DISEASE DEPENDING ON THE PRESENCE OR ABSENCE OF PULMONARY HYPERTENSION”. TRADITION AND MODERNITY IN VETERINARY MEDICINE 6, no. 2 (November 27, 2021): 41–44. Accessed August 7, 2026. https://scij-tmvm.com/index.php/pub/article/view/168.