Circulation of porcine circovirus type 2 in pigs of different age groups in the Russian Federation
Larisa A. Neminuschaya, Natalia K. Eremets, Tatyana A. Skotnikova, Igor V. Pavlenko, Vladimir I. Eremets, Evgenia V. Markova, Valentina I. Klyukina and Larisa S. Lyulkova