Perbedaan Gambaran Konfigurasi, Derajat dan Lokasi Sumbatan Jalan Napas Atas pada Pasien Sleep Disordered Breathing : Kajian terhadap Instrumen Drug Induced Sleep Endoscopy, Perasat Muller dan Polisomnografi = Configuration, Defree and Level of Upper Airway Obstruction in Patient with Sleep Disordered Breathing : Evaluation Using Drug Induced Sleep Endocsopy, Muller Manuver and Polysomnography