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.
Markova N, Radoucheva T, Kussovski V, Dilova K, Shtarbova M, Paskaleva I.Markova N, et al.FEMS Immunol Med Microbiol. 1997 Dec;19(4):261-5. doi: 10.1111/j.1574-695X.1997.tb01095.x.FEMS Immunol Med Microbiol. 1997.PMID: 9537750Free article.
Markova N, Radoucheva T, Kussovski V, Dilova K, Paskaleva I, Veleva K.Markova N, et al.FEMS Immunol Med Microbiol. 1999 Jul 15;24(4):395-403. doi: 10.1111/j.1574-695X.1999.tb01311.x.FEMS Immunol Med Microbiol. 1999.PMID: 10435758Free article.
Vesselinova A, Markova N, Veljanov D, Nikolova S, Najdenski H.Vesselinova A, et al. Among authors: markova n.Zentralbl Veterinarmed B. 1992 Dec;39(10):755-61. doi: 10.1111/j.1439-0450.1992.tb01231.x.Zentralbl Veterinarmed B. 1992.PMID: 1492517