Gowthaman, V Co-infection of Newcastle disease virus genotype XIII with low pathogenic avian influenza exacerbates clinical outcome of Newcastle disease in vaccinated layer poultry flocks. [electronic resource] - Virusdisease Sep 2019 - 441-452 p. digital Publication Type: Journal Article ISSN: 2347-3584 Standard No.: 10.1007/s13337-019-00533-6 doi