Silva, Roberto Carlos Lyra da, Antonio Augusto de Freitas Peregrino, Regina Rocco, Lilian Reinaldi Ribeiro, Daniel Aragão Machado, and Carlos Roberto Lyra da Silva. 2022. “Cost Utility of Penicillin Use in Primary Care for the Prevention of Complications Associated With Syphilis”. Brazilian Journal of Sexually Transmitted Diseases 34 (June). Niterói. https://doi.org/10.5327/DST-2177-8264-20223408.