- (2020). Incremental costs of COPD exacerbations in GOLD stage 2+ COPD in ever-smokers of a general population. Respiratory Medicine: X. 1-7.
- (2018). Guideline adherence in hospital recruited and population based COPD patients. BMC Pulmonary Medicine. 1-9.
- (2017). Unemployment in chronic airflow obstruction around the world: Results from the BOLD study. European Respiratory Journal. 1-12.
- (2016). Incidence of utilization- and symptom-defined COPD exacerbations in hospital- and population-recruited patients. The International Journal of Chronic Obstructive Pulmonary Disease. 2099-2108.
- (2014). Productivity losses in chronic obstructive pulmonary disease: a population-based survey. BMJ Open Respiratory Research. 1-8.