An official website of the United States government
The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before
sharing sensitive information, make sure you’re on a federal
government site.
The site is secure.
The https:// ensures that you are connecting to the
official website and that any information you provide is encrypted
and transmitted securely.
Elvander M, Baule C, Persson M, Egyed L, Ballagi-Pordány A, Belák S, Alenius S.Elvander M, et al. Among authors: ballagi pordany a.Acta Vet Scand. 1998;39(2):251-64. doi: 10.1186/BF03547797.Acta Vet Scand. 1998.PMID: 9787488Free PMC article.
Elvander M, Vilcek S, Baule C, Uttenthal A, Ballagi-Pordány A, Belák S.Elvander M, et al. Among authors: ballagi pordany a.J Gen Virol. 1998 Dec;79 ( Pt 12):2939-46. doi: 10.1099/0022-1317-79-12-2939.J Gen Virol. 1998.PMID: 9880007
Ballagi-Pordány A, Klintevall K, Merza M, Klingeborn B, Belák S.Ballagi-Pordány A, et al.Zentralbl Veterinarmed B. 1992 Feb;39(1):69-77. doi: 10.1111/j.1439-0450.1992.tb01140.x.Zentralbl Veterinarmed B. 1992.PMID: 1316025