title: Additional commercial flocks in California stricken by Newcastle disease.
authors.forename: R Scott
authors.initials: RS
authors.lastname: Nolen
mesh_terms: D000818:Animals; D002140:California / Q000453:epidemiology; D002645:Chickens; D004196:Disease Outbreaks / Q000662:veterinary*; D004531:Eggs / Q000821:virology; D006801:Humans; D009521:Newcastle Disease / Q000453:epidemiology*