Ghafoor, Tahir, et al. “Screening of Syphilis Using the Reverse Algorithm and Its Trends Among Healthy Asymptomatic Blood Donors: A Regional Transfusion Centre Study from Northern Pakistan”. Pakistan Armed Forces Medical Journal, vol. 74, no. 2, Apr. 2024, pp. 562-5, https://doi.org/10.51253/pafmj.v74i2.10260.