Cochrane Corner: Perioperative beta-blockers for preventing surgery-related mortality and morbidity Sofia Alegria, João Costa, António Vaz-Carneiro, Daniel Caldeira

Aspirin and blood pressure: Effects when used alone or in combination with antihypertensive drugs Ana Catarina Costa, Marta Reina-Couto, António Albino-Teixeira, Teresa Sousa

Exploring the evidence gap: Loop diuretic withdrawal in chronic heart failure Aurora Andrade