title: Periodic alternating nystagmus. A case report.
authors: Department of Otorhinolaryngology, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal. Electronic address: dianacunharibeiro@gmail.com.
authors: Diana
authors: D
authors: Cunha Ribeiro
authors: Department of Otorhinolaryngology, Clínica Universitaria de Navarra, University Hospital and Medical School, University of Navarra, Pamplona, Navarra, España.
authors: Nicolás
authors: N
authors: Pérez-Fernandes
mesh_terms: D006801:Humans; D009759:Nystagmus, Pathologic