Hepatitis B Surface Antigen Seroprevalence of Turkish and Foreign Patients of Reproductive Age in 2014-2017 Journal title: Viral Hepatitis Journal Authors: Ayşegül Erdoğan, Kübra Yıldız, Ahmet Rıza Şahin, Sevinç Özden, Ramazan Azim Okyay Subject(s): Medicine