PEDRO OTAVIO ROGOWSKI, LUIZ FELIPE BECKER, TIAGO OSTERNACK MALUCELLI, SEVERE AND TREATMENT RESISTANT UNDIFFERENTIATED SPONDYLOARTHRITIS, Blucher Medical Proceedings, Volume 1, 2019, Pages 244-244, ISSN 23577282, http://dx.doi.org/10.5151/sbr2019-244 (www.proceedings.blucher.com.br/article-details/severe-and-treatment-resistant-undifferentiated-spondyloarthritis-32736) Palavras-chave:: ;