Avian influenza in turkeys: a survey of farms in eastern England, 1979/80.
D000818:Animals; D004739:England; D009980:Influenza A virus / Q000302:isolation & purification; D005585:Influenza in Birds / Q000453:epidemiology*; D011201:Poultry Diseases / Q000453:epidemiology*; D014422:Turkeys