[1] Califano L, Vassallo M G,Melillo, et al. Direction-fixed paroxysmal nystagmus lateral canal benign paroxysmal positioning vertigo (BPPV): another form of lateral canalolithiasis[J].Acta Otorhinolaryngologica Italica,2013,33(4):254-260. [2] 李晓璐,卜行宽,Kamran Brain,等.实用眼震视图和眼震视图检查[M].北京:人民卫生出版社,2007:68-115. [3] 吴子明,张素珍,刘兴健,等.后循环缺血单发性眩晕与偏头痛性眩晕的鉴别诊断[J].临床耳鼻咽喉头颈外科杂志,2007,21(16):721-723. [4] Karatas M. Central vertigo and dizziness: epidemiology, differential diagnosis, and common causes[J]. Neurologist ,2008,14(6):355-364. [5] Halmagyi G M. Diagnosis and management of vertigo[J]. Clin Med ,2005,5(2):159-165. [6] Vannucchi P, Pecci R. About nystagmus transformation in a case of apogeotropic lateral semicircular canal benign paroxysmal positional vertigo[J].Int J Otolaryngol,2011,26(7): 921-931. [7] Kattah J C, Gujrati M.Familial positional downbeat nystagmus and cerebellar ataxia: clinical and pathologic findings[J].Ann N Y Acadci,2005,1039(4):540-543. [8] Halmagyi G M,Leigh R J.Upbeat about downbeat nystagmus[J].Neuro-logy,2004,63(7):606-611. [9] 陈秀伍.非典型良性阵发性位置性眩晕的诊断难点[J].中国医学文摘耳鼻咽喉科学,2008,23(5):259-260. [10] 于立民,刘 鸣,金德钧,等.无明显眼震的良性阵发性位置性眩晕患者手法复位疗效分析[J].听力学及言语疾病杂志,2013,21(7):67-70.