00918naa#a2200217#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\33876 20240516050049.4 1997-4868 20191209b2019####ek#y0engy0150####ca RU Experience in the use of polymerase chain reaction in the diagnosis of bovine leukemia virus and its effectiveness at different stages of health activities Journal article Ekaterinburg Ural State Agrarian University 2019 7 с. Journal article local Сельское хозяйство. Лесное хозяйство. Охота. Рыбное хозяйство. 63 Bezborodova Natalia Aleksandrovna Petropavlovskiy Maxim V. Romanova Alisa Sergeevna Lysov A. V. Kozhukhovskaya Veronika V. usau.editorum.ru