1. Burden of COPDhttps://www.who.int/respiratory/copd/burden/en
2. Global Strategy for the Diagnosis, Management, and Prevention of Chronic Obstructive Pulmonary Disease (2021 Report)https://goldcopd.org/wp-content/uploads/2020/11/GOLD-REPORT-2021-v1.1-25Nov20_WMV.pdf
3. P280 How do we choose inhalers? patient and physician perspectives on environmental, financial and ease-of-use factors;Liew;Thorax,2017
4. P187 Ease of use, effectiveness and environmental impacts: Evaluating inhaler prescriptions, patient preferences and opportunities for improvement;Walpole;Thorax,2021
5. Patients' ideas, concerns, and expectations (ICE) in general practice: impact on prescribing