title: [The formation and management of sputum crust in the lower respiratory tract after tracheostomy].
authors.forename: H Q
authors.initials: HQ
authors.lastname: Yu
authors.forename: Y C
authors.initials: YC
authors.lastname: Wu
mesh_terms: D006801:Humans; D011183:Postoperative Complications; D013183:Sputum; D014139:Tracheostomy / Q000451:nursing*