Freire, Francisco de Assis Matos, et al. “Clinical-Epidemiological Profile of Notified Cases of Acquired Syphilis in Piauí in the Years 2015 to 2020”. International Journal of Advanced Engineering Research and Science, vol. 9, no. 10, Nov. 2022, https://journal-repository.com/index.php/ijaers/article/view/5660.