title: Pathologic changes of the trachea after percutaneous dilational tracheostomy.
authors.forename: D
authors.initials: D
authors.lastname: Sandifer
mesh_terms: D004106:Dilatation; D006801:Humans; D014132:Trachea / Q000473:pathology*; D014139:Tracheostomy / Q000009:adverse effects* / Q000295:instrumentation