Mahmood, Wrya Raouf. Prevalence of hepatitis B surface antigen (HBSAG) in Northern Cyprus from January 2017 to December 2018 / Wrya Raouf Mahmood ; thesis supervisor Assist. Prof. Dr. Eşref Çelik. - Nicosia : Near East University, 2020. - 60 p. ; 30 cm. Thesis (Master) Includes bibliographic references. Text in English. Subjects--Corporate Names: Near East University--Dissertations Subjects--Topical Terms: Hepatitis B LC Class. No.: WC536