Sex differences between women and men with COPD: A new analysis of the 3CIA study - Perez TA; Castillo EG; Ancochea J; Pastor Sanz MT; Almagro P; Martínez-Camblor P; Miravitlles M; Rodríguez-Carballeira M; Navarro A; Lamprecht B; Ramírez-García Luna AS; Kaiser B; et al. (Respiratory Medicine, 2020)