Poggiali, E., A. Vercelli, T. Iannicelli, V. Tinelli, L. Celoni, and A. Magnacavallo. “COVID-19, Chronic Obstructive Pulmonary Disease and Pneumothorax: A Frightening Triad”. European Journal of Case Reports in Internal Medicine, vol. 7, no. 7, June 2020, doi:10.12890/2020_001742.