TURAN, Atakan; ÖĞÜT, Hamdi; AYYILDIZ VAROL, Aylin; KOCA, Nizameddin; BOZKURT, Hayri. 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, [S. l.], v. 11, n. 6, p. 1167–1175, 2025. DOI: 10.18621/eurj.1632009. Disponível em: https://eurj.org.tr/article/view/1094. Acesso em: 5 apr. 2026.