Gomez, J. F. B., Castro, A. J. W. de, Marti, J., Prates, S., Appolinário, M. A. O., & Oliveira, A. (2009). Comparison of quality between Hahnemuehle 2992 and Schleicher & Schuell 903 filter paper, in the preservation of dried blood for the population study of IgM and IgG antibodies to syphilis. Brazilian Journal of Sexually Transmitted Diseases, 21(1), 34–37. Retrieved from https://bjstd.org/revista/article/view/957