Medeiros MR, Parma GOC, Schuelter-Trevisol F, Iser BPM. Acquired syphilis in the population with 50 years old or more: Geographic distribution and trends. Sci Med [Internet]. 2021 Sep. 28 [cited 2024 Jul. 18];31(1):e39292. Available from: https://revistaseletronicas.pucrs.br/index.php/scientiamedica/article/view/39292