Arshad Altaf, Syed Sharaf Ali Shah, Safdar Pasha, Altaf Ahmed Soomro, Nazia Farrukh and Rafiq Khanani 2021. Index testing among HIV-positive patients is feasible and successful in identifying additional HIV infections in Pakistan . Journal of the Pakistan Medical Association. (Aug. 2021), 6–10. DOI:https://doi.org/10.47391/JPMA.0001.