1. Prevalence and determinants of COPD in Spain: EPISCAN II;Soriano;Arch Bronconeumol.,2021
2. Forum of International Respiratory Societies. The Global Impact of Respiratory Disease. 2017.
3. GOLD. Global strategy for the diagnosis, management and prevention of chronic obstructive pulmonar disease (GOLD). 2021:12-19.
4. The natural history of chronic airflow obstruction;Fletcher;Bull Int Union Tuberc.,1978
5. Chronic obstructive pulmonary disease in non-smokers;Salvi;Lancet.,2009