Arshad Altaf, M. S. K. Pasha, M. Siddiqui Wali, and A. Majeed, “Acceptability and feasibility of intra-peer and social media approach for HIV self-testing among men who have sex with men in Karachi: lessons from a pilot study”, J Pak Med Assoc, vol. 73, no. 3, pp. 562–571, Mar. 2023.