Jalal Ud Din, Hassan Sher, Muhammad Arif, F.A.I.A.S.M.Z.M. khan, 2018. Prevalence of Syphilis in Blood Donors in District Mardan Khyber Pakhtunkhwa Pakistan. International Journal of Contemporary Research and Review. 9, 07 (Jul. 2018), 20257–20261. DOI:https://doi.org/10.15520/ijcrr/2018/9/07/557.