1.
Ã…BERG H, FURBERG B, NORDGREN L. Atrial Activity in Atrial Fibrillation after Intravenous Verapamil. ujms [Internet]. 1976 Sept. 1 [cited 2026 Nov. 10];81(3):145-6. Available from: https://ujms.net/index.php/ujms/article/view/7317