Outcome of Canalith Repositioning Procedure in Patients with Persistent and Transient Geotropic Direction-Changing Positional Nystagmus: Short-term Follow-up Evaluation
Research in Vestibular Science. 2018;17(3):109-115 
Persistent direction-changing geotropic positional nystagmus
European Archives of Oto-Rhino-Laryngology. 2011;269(3):747-751
Persistent Geotropic Direction-Changing Positional Nystagmus Treated With Transcutaneous Vagus Nerve Stimulation
Brain Stimulation. 2016;9(3):469-470
Is the modified cupulolith repositioning maneuver effective for treatment of persistent geotropic direction-changing positional nystagmus?
European Archives of Oto-Rhino-Laryngology. 2018;275(7):1731-1736
Pseudo-spontaneous nystagmus in patients with geotropic direction-changing positional nystagmus
PLOS ONE. 2018;13(4):e0196019
Differences in the Head Roll Test, Bow and Lean Test, and Null Plane between Persistent and Transient Geotropic Direction-Changing Positional Nystagmus
Journal of Clinical Medicine. 2019;9(1):73
Persistent geotropic direction‐changing positional nystagmus with a null plane: The light cupula
The Laryngoscope. 2013;124(1):
Clinical Characteristics of Patients with Persistent Apogeotropic and Persistent Geotropic Direction-Changing Positional Nystagmus
Journal of Clinical Neurology. 2021;17(3):443
Persistent Direction-Fixed Nystagmus Following Canalith Repositioning Maneuver for Horizontal Canal BPPV: A Case of Canalith Jam
Clinical and Experimental Otorhinolaryngology. 2014;7(2):138
Conversion from geotropic to apogeotropic direction changing positional nystagmus resulting in heavy cupula positional vertigo: case report
Brazilian Journal of Otorhinolaryngology. 2021;87(5):629-633