1. Global Initiative for Chronic Obstructive Lung Disease (2016) Pocket Guide to COPD diagnosis, management and prevention. Available at: https://goldcopd.org/wp-content/uploads/2016/12/wms-GOLD-2017-Pocket-Guide.pdf
2. NICE (2015) Chronic obstructive pulmonary disease. Available at: https://www.nice.org.uk/Media/Default/Standards-and-indicators/QOF%20Indicator%20Key%20documents/nm105-copd-guidance.pdf
3. Primary Care Respiratory Society UK (2013). Reviewing people with COPD. Available at: https://www.pcrs-uk.org/sites/pcrs-uk.org/files/os19_copd_review.pdf
4. Martin, P. (2019) Bronchoscopy. Nurse Labs. Available at https://nurseslabs.com/bronchoscopy/
5. Martin, J. (2013) Preparing and supporting patients undergoing a bronchoscopy. Nursing Times. Available at https://www.nursingtimes.net/clinical-archive/respiratory-clinical-archive/preparing-and-supporting-patients-undergoing-a-bronchoscopy-14-10-2003/