Ferreira, R. A., Ferriani, V. P. L., Sopelete, M. C., Silva, D. A. O., Mineo, J. R., Kiss, M. H. B., & Silva, C. H. M. (2002). Immunoglobulin E-rheumatoid factor in juvenile rheumatoid arthritis . Revista Do Hospital Das Clínicas, 57(5), 209-216. https://doi.org/10.1590/S0041-87812002000500004