Prevalence of Airflow Obstruction in Nonsmoking Older Individuals Using Different Spirometric Criteria: The AGES Reykjavik Study..
13. ágúst 2020Runarsdottir SB, Gudmundsson G, Aspelund T, Harris TB, Launer LJ, Gudnason V, Gislason T. COPD. 2013 Aug;10(4):493-9
