title: Bacterial croup: a historical perspective.
mesh_terms: D000402:Airway Obstruction / Q000209:etiology; D001991:Bronchitis / Q000382:microbiology; D002675:Child, Preschool; D003440:Croup / Q000382:microbiology*; D005260:Female; D006801:Humans; D007223:Infant; D007827:Laryngitis / Q000382:microbiology*; D008297:Male; D013492:Suppuration / Q000382:microbiology; D014136:Tracheitis / Q000382:microbiology