TY - JOUR T1 - Fernando Valencia JF - Canadian Medical Association Journal JO - CMAJ SP - E1733 LP - E1733 DO - 10.1503/cmaj.202619 VL - 192 IS - 49 AU - Seema Marwaha Y1 - 2020/12/07 UR - http://www.cmaj.ca/content/192/49/E1733.abstract ER -