Ullah, N. , Khan, N.A. , Abdullah, M. , Sadiq, N. and Ahmed, F. 2024. Vitamin D Levels in Post-Operative Atrial Fibrillation (POAF) after Coronary Artery Bypass Graft Surgery: A Case Control Study. Journal of Bahria University Medical and Dental College. 14, 03 (Jul. 2024), 190–195. DOI:https://doi.org/10.51985/JBUMDC2024321.