CLARK, D S Further studies with the aqueous humor of chickens as a reservoir for the virus of Newcastle disease. [electronic resource] - American journal of veterinary research Jan 1957 - 204-6 p. digital Publication Type: Journal Article ISSN: 0002-9645 Subjects--Topical Terms: AnimalsAqueous Humor--microbiologyChickensDiseaseMeatNewcastle DiseaseNewcastle disease virusOvumPoultry