4 . Shepard JW,Thawley SE . Localization of upper airway collapse during sleep in patients with obstructive sleep apnea .7 . Han D,Ye J,Lin Z . Revised uvuloplatopharyngoplasty with uvula preservation and its clinical study .9 .马元达,李桂芝,辛丁,等.硬腭缩短-悬雍垂腭咽成形术治 ......