1. American Lung Association (2020) Considerations for Conducting Spirometry During and After COVID19. www.lung.org/getmedia/db83d857-3642-4ec0-a120-405d44f98711/considerations-for-conducting-spirometry-during-and-after-covid19-07062020-(002).pdf (Last accessed: 14 January 2022.)
2. American Thoracic Society (2021) Pulmonary Function Laboratories: Advice Regarding COVID-19. www.thoracic.org/professionals/clinical-resources/disease-related-resources/pulmonary-function-laboratories.php (Last accessed: 14 January 2022.)
3. Association for Respiratory Technology and Physiology/Primary Care Respiratory Society (2021) Risk Minimisation in Spirometry Re-Start. www.artp.org.uk/write/MediaUploads/Standards/COVID19/ARTP_PCRS_spiro_re-start_FINAL2.pdf (Last accessed: 14 January 2022.)
4. Comparison of a handheld turbine spirometer to conventional spirometry in children with cystic fibrosis;Pediatric Pulmonology,2020
5. Achieving national spirometry certification in primary and secondary care in Wales: a systematic approach;Primary Care Respiratory Update,2018