RT Journal Article SR Electronic T1 Cardiac considerations in patients with COVID-19 JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E630 OP E630 DO 10.1503/cmaj.200562 VO 192 IS 23 A1 Calvillo-Argüelles, Oscar A1 Ross, Heather J. YR 2020 UL http://www.cmaj.ca/content/192/23/E630.abstract