Effectiveness of Treatment With Dual Bronchodilation (LABA/LAMA) Compared With Combination Therapy (LABA/ICS) for Patients With COPD: A Population-Based Study Mònica Monteagudo; Alexa Nuñez; Miriam Barrecheguren; Marc Miravitlles;

Fractional Exhaled Nitric Oxide Guided-Therapy in Chronic Obstructive Pulmonary Disease: A Stratified, Randomized, Controlled Trial Kang-Cheng Su; Hsin-Kuo Ko; Yi-Han Hsiao; Kun-Ta Chou; Yen-Wen Chen; Wen-Kuang Yu; Sheng-Wei Pan; Jia-Yih Feng; Diahn-Warng Perng;

Short and Long-Term Impact of COVID-19 Infection on Previous Respiratory Diseases Eusebi Chiner-Vives; Rosa Cordovilla-Pérez; David de la Rosa-Carrillo; Marta García-Clemente; José Luis Izquierdo-Alonso; Remedios Otero-Candelera; Luis Pérez-de Llano; Jacobo Sellares-Torres; José Ignacio de Granda-Orive;