2Welsh LW,Welsh JJ,Lewin B.Vertigo:analysis by magnetic resonance imaging and angiography.Ann Otol Rhinol Laryngol,2000,109(3):239 - 248.
3Illuminati G,Calio FG,Bertagni A,et al.Transcranial Doppler validation of hemodynamic vertebrobasilar insufficiency diagnosis.Riv Eur Sci Med Farmacol,1996,18(5 - 6):213 - 216.
4Gulsun M,Saatci I,Akata D,et al.Radiologic investigation of vertebrobasilar insufficiency and quantification of vertebrobasilar flow with magnetic resonance imaging.Tani Girisim Radyol,2003,9(3):279- 286.
