Methodology Employed to Develop the Airway Mucus Secretion Test (T-SEC): A Questionnaire to Evaluate Airway Mucus Hypersecretion in Patients With Asthma Esther Palones, Juan Luis García-Rivero, Carolina Cisneros, Carlos Almonacid-Sánchez, Luis Pérez-de Llano, Vicente Plaza, Astrid Crespo-Lessmann

Accuracy of a New Algorithm to Identify Asthma–COPD Overlap (ACO) Patients in a Cohort of Patients with Chronic Obstructive Airway Disease Luis Pérez de Llano, Borja G. Cosío, Marc Miravitlles, Vicente Plaza

Foreign Body Airway Obstruction Joana Batista Correia, Giovana Ennis, Carla Ferreira Santos, Ana Albuquerque