Association of a new type of cytopathogenic myxovirus with infantile croup.
D000941:Antigens; D003440:Croup / Q000209:etiology*; D006801:Humans; D007223:Infant; D009975:Orthomyxoviridae; D014780:Viruses
D000941:Antigens
CROUP/etiology and pathogenesis; VIRUSES