article_metadata: Jung Eun Shin Chang-Hee Kim
article_metadata: 10.1186/s12901-015-0015-z
article_metadata: BMC Ear Nose Throat Disord
article_metadata: 2015 Mar 14;15:2.
article_metadata: direction-changing positional nystagmus head-roll test light cupula positional vertigo
article_metadata: CC BY
article_metadata: https://pubmed.ncbi.nlm.nih.gov/25792970/
article_metadata: Case Reports
article_metadata: PMC4365523
article_metadata: 25792970
article_metadata: Light cupula of the horizontal semicircular canal occurring alternately on both sides: a case report
article_metadata: 2015