1Pames KS,Agrawal SK,Atlas J. Diagnosis and management of benign paroxyml pitional vertigo( BPPV ) [ J]. CMAJ,2003,169(7 ) :681.
2Epley JIM. Particle repositioning for benign paroxysmal poitional vertigo[J]: Otolaryngol Clin North Am, 1996,29 (2) :323 - 331.
3Schratzenstaller B, Wagner- Manslau C,Alexiou C,et al. High- resolution three - dimemional magnetic resonance imaging of the vestibular labyrinth in patients with atypical and intractable benign positionalvertigo[ J]. ORL J Otorhianlaryngol Relat Spec,2001,63(3 ) :165.