Nahlia, N. L. and Setyowatie, L. (2020) “Overlapping Primary and Secondary Syphilis in Human Immunodeficiency Virus (HIV) Patient”, Qanun Medika - Medical Journal Faculty of Medicine Muhammadiyah Surabaya, 4(2), pp. 265–272. doi: 10.30651/jqm.v4i2.4378.