title: Defective interfering particles in monolayer-propagated Newcastle disease virus.
mesh_terms: D000327:Adsorption; D002478:Cells, Cultured; D006389:Hemagglutinins, Viral; D009522:Newcastle disease virus / Q000302:isolation & purification / Q000502:physiology* / Q000648:ultrastructure; D013045:Species Specificity; D014762:Viral Interference; D014776:Virus Cultivation
chemical_list: D006389:Hemagglutinins, Viral