CLINICAL AND DIAGNOSTIC CHARACTERISTICS OF THE DEVELOPMENT OF HEPATOCARDIAL SYNDROME IN BLACK AND WHITE COWS IN THE EARLY LACTATION PERIOD СтатьяVatnikov Y., Rudenko A., Gnezdilova L., Sotnikova E., Byakhova V., Piven E., Kulikov E., Petrov A., Drukovskiy S., Petrukhina O.Veterinary World. Том 15. 2022. С. 2259-2268