title: [Purification of equine influenza virus A/Equi-2/W/9/69 by the sucrose step density gradient ultracentrifugation].
mesh_terms: D002499:Centrifugation, Density Gradient; D007240:Equartevirus / Q000302:isolation & purification*; D012328:RNA Viruses / Q000302:isolation & purification*; D014461:Ultracentrifugation
vernacular_title: Oczyszczanie wirusa grypy koni A/Equi-2/W/9/69 metoda ultrawirowania w gradiencie skokowym sacharozy.