RT Journal Article SR Electronic T1 Escalating violence against health workers prompts calls for action JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E1896 OP E1896 DO 10.1503/cmaj.1095980 VO 193 IS 49 A1 Cukier, Abigail A1 Vogel, Lauren YR 2021 UL http://www.cmaj.ca/content/193/49/E1896.abstract