Value of carbohydrate antigen 125 in pleural effusion from acute heart failure and its relationship with atrial fibrillation. - Pérez Pisón E; Llàcer P; Croset F; Campos J; García Melero M; Pérez C; Pérez Nieva A; Vergara M; Cevallos P; Fernández C; Fabregate M; Manzano L (Medicina clinica, 2026)