RT Journal Article SR Electronic T1 COVID-19 viral expulsion through chest drains JF Clinical Medicine JO Clin Med FD Royal College of Physicians SP e140 OP e140 DO 10.7861/clinmed.Let.20.5.10 VO 20 IS 5 A1 Avinash Aujayeb YR 2020 UL http://www.rcpjournals.org/content/20/5/e140.abstract