1. The Lumleian Lectures on Bronchitis, Pulmonary Emphysema, and Asthma: Delivered before the Royal College of Physicians of London
2. The overlap syndrome of asthma and COPD: what are its features and how important is it?
3. Asthma-COPD Overlap (ACO) PRO-CON Debate. ACO: Call Me by My Name
4. Global Initiative for Chronic Obstructive Lung Disease. Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease (2021 report) 2020; 2020. Available from: https://goldcopd.org/wp-content/uploads/2020/11/GOLD-REPORT-2021-v1.1-25Nov20_WMV.pdf. Accessed February 2, 2021.
5. Global Initiative for Asthma, Global Initiative for Chronic Obstructive Lung Disease. Diagnosis of diseases of chronic airflow limitation: asthma COPD and asthma - COPD overlap syndrome (ACOS); 2015. Available from: https://goldcopd.org/wp-content/uploads/2016/04/GOLD_ACOS_2015.pdf. Accessed December 4, 2020.