Yang, Wen-juan [Factors associated with irreversible airflow limitation in asthma]. [electronic resource] - Zhonghua jie he he hu xi za zhi = Zhonghua jiehe he huxi zazhi = Chinese journal of tuberculosis and respiratory diseases Sep 2013 - 691-3 p. digital Publication Type: Journal Article; Review ISSN: 1001-0939 Subjects--Topical Terms: Airway ResistanceAsthma--physiopathologyHumans