PRIER, J E Experimental immunization of chickens with combined whole embryo Newcastle and fowl pox vaccines. [electronic resource] - Veterinary medicine Mar 1951 - 103-4 p. digital Publication Type: Journal Article ISSN: 0372-5588 Subjects--Topical Terms: AnimalsChickensFowlpoxImmunizationNewcastle DiseasePoultryVaccinationVaccines