RT Journal Article SR Electronic T1 Factors limiting the utility of bronchoalveolar lavage in the diagnosis of COVID-19 JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 2003116 DO 10.1183/13993003.03116-2020 VO 56 IS 5 A1 Deepak Aggarwal A1 Varinder Saini YR 2020 UL http://erj.ersjournals.com/content/56/5/2003116.abstract AB