9Pen-Yuan Chu,Shyue-Yih Chang.Reconstruction of circumferential pharyngoesophageal defects with laryngotracheal flap and pectoralis major myocutaneous flap.Head & Neck,2002,10:933~939.
10Som ML.Laryngotracheal autograft for postcricoid carcinoma.Ann Otolaryngol,1974,83:481~486.