00733naa#a2200205#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\56739 20240515000440.3 1997-4868 20230118b2023####ek#y0engy0150####ca RU Study of genetic diversity of bovine leukemia virus isolates obtained in the Belgorod region Journal article Ekaterinburg Ural State Agrarian University 2023 9 с. Journal article local Petropavlovskiy Maxim V. Donnik Irina M. Bezborodova Natalia Aleksandrovna Kovalenko Anatoliy Mihaylovich Belyaeva Svetlana Nikolaevna usau.editorum.ru