@misc{miscaca38978, title = {Plasma exchange after immunosuppressive failure in neuromyelitis optica spectrum disorders: case report}, author = {Apostolos-Pereira, S. L. and Junqueira, T. and Adoni, T. and Lino, A. and Marchiori, P. E. and Callegaro, D.}, year = {2011}, booktitle = {Congresso Brasileiro de Esclerose MĂșltipla} }