Characteristics of Inhaler Technique in COPD Patients in a Specialized Center in Armenia, Colombia: A Cross-Sectional Study. - Cardona, Jorge A Montes; Erira, Diego A Hincapié; Nati-Castillo, Humberto Alejandro; Sánchez-Vallejo, Jaime; Izquierdo-Condoy, Juan S (Patient Preference & Adherence, 2023)