RT Journal Article SR Electronic T1 Canadian guideline on HIV pre-exposure prophylaxis and nonoccupational postexposure prophylaxis JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E782 OP E782 DO 10.1503/cmaj.180718 VO 190 IS 25 YR 2018 UL http://www.cmaj.ca/content/190/25/E782.abstract AB