Calcium Channel Blockers and the Risk of Exacerbation in Patients with Chronic Obstructive Pulmonary Disease: A Nationwide Study of 48,488 Outpatients. - Rastoder E; Sivapalan P; Eklöf J; Achir Alispahic I; Jordan AS; Laursen CB; Vestbo J; Jenkins C; Nielsen R; Bakke P; Fernandez-Romero G; Modin D; et al. (Biomedicines, 2023)