Marciniak, S., Farrell, J., Rostron, A., Smith, I., Openshaw, P., Baillie, J., Docherty, A. & Semple, M. 2021, 'COVID-19 Pneumothorax in the United Kingdom:a prospective observational study using the ISARIC WHO clinical characterisation protocol', European Respiratory Journal, 58, article no: 2100929. https://doi.org/10.1183/13993003.00929-2021