RT Journal Article SR Electronic T1 Spontaneous pneumothorax as a delayed complication after recovery from COVID-19 JF BMJ Case Reports JO BMJ Case Reports FD BMJ Publishing Group Ltd SP e243578 DO 10.1136/bcr-2021-243578 VO 14 IS 5 A1 Guido Marzocchi A1 Alessia Vassallo A1 Francesco Monteduro YR 2021 UL http://casereports.bmj.com/content/14/5/e243578.abstract