title: Isolation of avian influenza virus in Bulgaria.
authors.forename: Ivan Stoianov
authors.initials: IS
authors.lastname: Zarkov
authors.forename: Iliyan
authors.initials: I
authors.lastname: Bochev
authors.forename: Ruth
authors.initials: R
authors.lastname: Manvell
authors.forename: Wendy
authors.initials: W
authors.lastname: Shell
mesh_terms: D025041:Animal Migration; D000818:Animals; D000835:Animals, Wild / Q000821:virology; D001717:Birds; D002031:Bulgaria / Q000453:epidemiology; D004197:Disease Reservoirs / Q000662:veterinary / Q000821:virology; D009980:Influenza A virus / Q000302:isolation & purification*; D005585:Influenza in Birds / Q000175:diagnosis / Q000453:epidemiology* / Q000635:transmission; D016133:Polymerase Chain Reaction / Q000379:methods / Q000662:veterinary; D013045:Species Specificity