@article{article6f298642, title = {Low expression of CD39 on regulatory T cells as a biomarker for resistance to methotrexate therapy in rheumatoid arthritis}, author = {Peres, Raphael Sanches and Liew, Foo Y. and Talbot, Jhimmy and Carregaro, Vanessa and Oliveira, Rene D. and Almeida, Sergio L. and França, Rafael F. O. and Donate, Paula B. and Pinto, Larissa G. and Ferreira, Flavia I. S. and Costa, Diego L. and Demarque, Daniel P. and Gouvea, Dayana Rubio and Lopes, Norberto Peporine and Queiroz, Regina Helena Costa and Silva, João Santana da and Figueiredo, Florêncio and Alves-Filho, José Carlos and Cunha, Thiago Mattar and Ferreira, Sérgio Henrique and Louzada Junior, Paulo and Cunha, Fernando de Queiroz}, year = {2015}, doi = {10.1073/pnas.1424792112}, journal = {Proceedings of the National Academy of Sciences of the United States of America} }