RT Journal Article SR Electronic T1 SOGC urges national enquiry into maternal deaths JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E975 OP E976 DO 10.1503/cmaj.1095451 VO 189 IS 29 A1 Lauren Vogel YR 2017 UL http://www.cmaj.ca/content/189/29/E975.abstract