Costa, Francisca, Maria Mendes, Marta Ferreira, and Rosalina Barroso. “Congenital Syphilis: A Revision of the Cases over the Last 18 Years in a Referral Hospital in Lisbon”. Journal of Pediatric and Neonatal Individualized Medicine (JPNIM) 8, no. 1 (March 25, 2019): e080119. Accessed June 30, 2022. https://jpnim.com/index.php/jpnim/article/view/080119.