Pagani, Danielle Machado, Fernanda Brandão Pacheco, Natália Andressa Buss Venier, Isadora da Luz Silva, Giselda Kipper Richter, Laura Luzzatto, and Maria Lúcia Scroferneker. “Atypical Presentation of Secondary Syphilis: Annular Lesions in an Elderly Patient”. Revista do Instituto de Medicina Tropical de São Paulo 63 (September 21, 2021): e68. Accessed April 28, 2024. https://www.revistas.usp.br/rimtsp/article/view/190815.