The St. George’s Respiratory Questionnaire Definition of Chronic Bronchitis May Be a Better Predictor of COPD Exacerbations Compared With the Classic Definition
- Resource Type
- Article
- Source
- Chest; October 2019, Vol. 156 Issue: 4 p685-695, 11p
- Subject
- Language
- ISSN
- 00123692; 19313543