Periodic Alternating Nystagmus – A Case Report

a Department of Otorhinolaryngology, Centro Hospitalar e Universitario de Coimbra, Coimbra, Portugal b Department of Otorhinolaryngology, Clinica Universitaria de Navarra, University Hospital and Medical School, University of Navarra, Pamplona, Spain loaded from http://www.elsevier.es, day 28/07/2016. This copy is for personal use. Any transmission of this document by any media or format is strictly prohibited.