TY - GEN AU - Colchen,A TI - [Interventional endoscopy: clearing of airways in thoracic cancer] SN - 0761-8417 PY - 2004///0324 KW - Airway Obstruction KW - etiology KW - Esophageal Neoplasms KW - complications KW - Esophagoscopy KW - Humans KW - Tracheal Neoplasms N1 - Publication Type: Journal Article ER -