[Studies on the characterization of influenza virus A strains].
D000818:Animals; D001604:Berlin; D005859:Germany, East; D006168:Guinea Pigs; D006736:Horses / Q000276:immunology; D007106:Immune Sera; D009980:Influenza A virus / Q000032:analysis* / Q000235:genetics
D007106:Immune Sera
Untersuchungen zur Charakterisierung von Influenzavirus-A-Stämmen.