For citations:

Kryachko O.V., Shafiev A.P., Lukoyanova L.A. The state of cellular immunity in pigs of different age groups in the pathogenesis of nonspecific bronchopneumonia. International Journal of Veterinary Medicine. 2021;(2):210-214. (In Russ.) https://doi.org/10.17238/issn2072-2419.2021.2.210