title: Croup and cystic fibrosis.
mesh_terms: D000293:Adolescent; D000328:Adult; D001249:Asthma / Q000150:complications; D002648:Child; D002675:Child, Preschool; D003440:Croup / Q000150:complications*; D003550:Cystic Fibrosis / Q000150:complications*; D005260:Female; D006801:Humans; D007827:Laryngitis / Q000150:complications*; D008297:Male; D012189:Retrospective Studies