title: Large-scale purification of animal viruses in the RK-model zonal ultracentrifuge. II. Influenza, mumps and Newcastle disease viruses.
mesh_terms: D000818:Animals; D002642:Chick Embryo; D004531:Eggs; D009109:Mumps virus / Q000254:growth & development / Q000302:isolation & purification*; D009522:Newcastle disease virus / Q000254:growth & development / Q000302:isolation & purification*; D009975:Orthomyxoviridae / Q000254:growth & development / Q000302:isolation & purification*; D014461:Ultracentrifugation