Aquaira, L.P., Purnamasari, R., Ramadhan, N.K. and Murastami, A. 2026. Sexual Orientation and HIV Coinfection Among Serofast Syphilis Patients: A Retrospective Analysis in Surakarta, Indonesia. Scientific Journal of Dermatology and Venereology. 3, 2 (Jun. 2026), 75-88. DOI:https://doi.org/10.59345/sjdv.v3i2.274.