RT Journal Article SR Electronic T1 Renin–angiotensin–aldosterone system inhibitors to treat COVID-19? JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E728 OP E728 DO 10.1503/cmaj.76023 VO 192 IS 26 A1 Richard A. Henry YR 2020 UL http://www.cmaj.ca/content/192/26/E728.abstract