Faheem Ud Din, Babar Ishaq, Talat Ramzan, Muhammad Shuaib, Tahreem Raza, Noor Khajjak. Screening For Prior Exposure to Hepatitis B Virus Infection in Patients Undergoing Chemotherapy. Pakistan Journal of Medical & Health Sciences [Internet]. 2022 Apr. 19 [cited 2024 Jul. 27];16(03):596. Available from: https://pjmhsonline.com/index.php/pjmhs/article/view/547