Nahlia, Nurul Laili, and Lita Setyowatie. “Overlapping Primary and Secondary Syphilis in Human Immunodeficiency Virus (HIV) Patient”. Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya 4, no. 2 (July 29, 2020): 265–272. Accessed February 27, 2026. https://journal.um-surabaya.ac.id/qanunmedika/article/view/4378.