de Oliveira Furlam, T., de Aguiar Pereira, C.C., Saraiva Frio, G. and Machado, C.J. 2022. Side effect of the COVID-19 pandemic in Brazil on the number of diagnostic and treatment procedures for syphilis. Brazilian Journal of Population Studies. 39, (Jan. 2022), 1–15. DOI:https://doi.org/10.20947/S0102-3098a0184.