title: Fusion factor and ATPase in a strain of Newcastle disease virus in different hosts.
mesh_terms: D000251:Adenosine Triphosphatases / Q000032:analysis*; D000818:Animals; D002417:Cattle; D002499:Centrifugation, Density Gradient; D002642:Chick Embryo; D006460:Hemolysin Proteins / Q000032:analysis; D009522:Newcastle disease virus / Q000302:isolation & purification*; D009711:Nucleotides / Q000494:pharmacology
chemical_list: D006460:Hemolysin Proteins; D009711:Nucleotides; D000251:Adenosine Triphosphatases