title: Tracheostomy tubes--presenting as foreign bodies in tracheobronchial tree.
authors: G S
authors: GS
authors: Kohli
authors: S P
authors: SP
authors: Yadav
authors: R C
authors: RC
authors: Sharma
authors: B
authors: B
authors: Raj
authors: R K
authors: RK
authors: Chawla
mesh_terms: D004868:Equipment Failure; D005547:Foreign Bodies / Q000000981:diagnostic imaging*; D006801:Humans; D011143:Polyvinyl Chloride; D011145:Polyvinyls; D011859:Radiography; D014132:Trachea / Q000000981:diagnostic imaging*; D014139:Tracheostomy / Q000295:instrumentation*
chemical_list: D011145:Polyvinyls; D011143:Polyvinyl Chloride