McDonald, Vanessa M "To define is to limit": perspectives on asthma-COPD overlap syndrome and personalised medicine. [electronic resource] - The European respiratory journal 05 2017 Publication Type: Editorial; Comment ISSN: 1399-3003 Standard No.: 10.1183/13993003.00336-2017 doi Subjects--Topical Terms: AsthmaHumansPrecision MedicinePulmonary Disease, Chronic ObstructiveSyndromeUndifferentiated Connective Tissue Diseases