You have access
Low expression of CD39 on regulatory T cells as a biomarker for resistance to methotrexate therapy in rheumatoid arthritis
Raphael Sanches Peres, Foo Y. Liew, Jhimmy Talbot, Vanessa Carregaro, Rene D. Oliveira, Sergio L. Almeida, Rafael F. O. França, Paula B. Donate, Larissa G. Pinto, Flavia I. S. Ferreira, Diego L. Costa, Daniel P. Demarque, Dayana Rubio Gouvea, Norberto P. Lopes, Regina Helena C. Queiroz, Joao Santana Silva, Florencio Figueiredo, Jose Carlos Alves-Filho, Thiago M. Cunha, Sérgio H. Ferreira, Paulo Louzada-Junior, and Fernando Q. Cunha