@article{gomes_pitombeira_sato_callegaro_apóstolos-pereira_2021,  title={Long-term safety of azathioprine for treatment of neuromyelitis optica spectrum disorders},  volume={79},  ISSN={0004-282X},  url={https://doi.org/10.1590/0004-282X-ANP-2020-0041},  DOI={10.1590/0004-282X-ANP-2020-0041},  number={3},  journal={Arquivos de Neuro-Psiquiatria},  publisher={Academia Brasileira de Neurologia - ABNEURO},  author={GOMES, Ana Beatriz Ayroza Galvão Ribeiro and PITOMBEIRA, Milena Sales and SATO, Douglas Kazutoshi and CALLEGARO, Dagoberto and APÓSTOLOS-PEREIRA, Samira Luisa},  year={2021},  month={Mar},  pages={229–232} }