title: The pathogenicity of Newcastle disease virus isolated from migrating and domestic ducks and the susceptibility of the viral glycoproteins to proteolytic cleavage.
mesh_terms: D000818:Animals; D004372:Ducks / Q000382:microbiology*; D006023:Glycoproteins / Q000378:metabolism*; D009522:Newcastle disease virus / Q000145:classification / Q000302:isolation & purification / Q000378:metabolism / Q000472:pathogenicity*; D014774:Virulence
chemical_list: D006023:Glycoproteins