Mapel, D. W. and Roberts, M. (2015) “Spirometry, the St. George’s Respiratory Questionnaire, and other clinical measures as predictors of medical costs and COPD exacerbation events in a prospective cohort”, The Southwest Respiratory and Critical Care Chronicles, 3(10), pp. 1-9. Available at: https://pulmonarychronicles.com/index.php/pulmonarychronicles/article/view/196 (Accessed: 20April2024).