TI - Hepatitis B Serological Tests and Vitamin D Values: A Seasonal Assessment AU - Keskin, A. AU - Taskin, M.H. AU - Erdem, M. AU - Igde, M. AU - Kariptas, E. AU - Aci, R. SO - Journal of Clinical Practice and Research 2025;47:74-83. DO - 10.14744/cpr.2025.53945