1.
Harris DG, Janson JT. Off-pump coronary artery bypass (OPCAB) in complex coronary artery bypass procedures – a report of four cases and review of the literature. SAHJ [Internet]. 2017Apr.20 [cited 2026Mar.20];5(2):82-7. Available from: https://www.journals.ac.za/index.php/SAHJ/article/view/2049