Relationship between respiratory syncytial virus and Newcastle disease-parainfluenza group.
D000818:Animals; D006801:Humans; D009521:Newcastle Disease; D009522:Newcastle disease virus; D012136:Respiratory Syncytial Viruses; D012141:Respiratory Tract Infections; D014777:Virus Diseases
NEWCASTLE DISEASE VIRUS; RESPIRATORY TRACT INFECTIONS; VIRUS DISEASES