Turan, Atakan, Hamdi Öğüt, Aylin Ayyıldız Varol, Nizameddin Koca, and Hayri Bozkurt. 2025. “Comparing the Effectiveness of Different Vaccination Regimens Using Sinovac and BNT162b2 Vaccines Among Hospitalised Patients: A Single-Centre Hospital-Based Retrospective Cohort Study”. The European Research Journal 11 (6): 1167-75. https://doi.org/10.18621/eurj.1632009.