title: Portex percutaneous tracheostomy kit.
authors.forename: K O
authors.initials: KO
authors.lastname: Sun
mesh_terms: D004106:Dilatation / Q000009:adverse effects; D006801:Humans; D014135:Tracheal Stenosis / Q000209:etiology; D014139:Tracheostomy / Q000009:adverse effects*