Outer retinal dysfunction on multifocal electroretinography may help differentiating multiple sclerosis from neuromyelitis optica spectrum disorder - Filgueiras, Thiago G; Oyamada, Maria K; Preti, Rony C; Apostolos-pereira, Samira L; Callegaro, Dagoberto; Monteiro, Mário Luiz Ribeiro (Frontiers in neurology, 2019)