Ullah, A., Attaullah, Latif Ullah, Faheem Anwar, Misbahud Din, Sikander Khan Sherwani and Munib Ahmad 2020. Incidences of HBV infection among pre-operative patients of elective surgeries in Tehsil Dargai Malakand KPK, Pakistan : Incidences of HBV infection. Life Science Journal of Pakistan. 2, 1 (Jul. 2020), 8–13.