RT Journal Article SR Electronic T1 Benefits of opportunistic screening for sexually transmitted infections in primary care JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E566 OP E567 DO 10.1503/cmaj.210604 VO 193 IS 16 A1 Grennan, Troy A1 Tan, Darrell H.S. YR 2021 UL http://www.cmaj.ca/content/193/16/E566.abstract