RT Journal Article SR Electronic T1 SARS-CoV-2-related chilblains JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E804 OP E804 DO 10.1503/cmaj.201348 VO 192 IS 28 A1 Malika A. Ladha A1 Elaine C. Dupuis YR 2020 UL http://www.cmaj.ca/content/192/28/E804.abstract