title: Infectious disease epidemiology. Viruses associated with bronchiolitis and croup during 1969.
mesh_terms: D000256:Adenoviridae / Q000302:isolation & purification*; D001990:Bronchiolitis, Viral / Q000382:microbiology*; D002675:Child, Preschool; D004219:District of Columbia; D006782:Hospitals, Special; D006801:Humans; D007223:Infant; D007827:Laryngitis / Q000382:microbiology*; D012136:Respiratory Syncytial Viruses / Q000302:isolation & purification*; D018108:Respirovirus / Q000302:isolation & purification*; D014780:Viruses / Q000302:isolation & purification*