Sheikh, Majed, et al. “Efficacy and Safety of Intravenous Calcium Pretreatment Prior to Nondihydropyridine Calcium Channel Blockers in Atrial Fibrillation or Flutter: A Meta-Analysis”. Synthēsis, vol. 2, no. 2, Apr. 2026, https://synthesis-medicine.org/index.php/journal/article/view/30.