RT Journal Article SR Electronic T1 Tracheal intubation in patients with COVID-19 JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP cmaj.200650 DO 10.1503/cmaj.200650 A1 Laura V. Duggan A1 George Mastoras A1 Gregory L. Bryson YR 2020 UL http://www.cmaj.ca/content/early/2020/05/01/cmaj.200650.abstract AB