Specific interference among strains of Newcastle disease virus. II. Comparison of interference by active and inactive virus.
D000818:Animals; D000906:Antibodies / Q000494:pharmacology; D002642:Chick Embryo; D005615:Freezing; D006146:Guanidines; D006358:Hot Temperature; D009522:Newcastle disease virus / Q000528:radiation effects; D013696:Temperature; D014466:Ultraviolet Rays; D014762:Viral Interference / Q000187:drug effects
D000906:Antibodies; D006146:Guanidines