RT Journal Article SR Electronic T1 Penicillin allergy delabelling of patients at risk of sexually transmitted infections in primary care JF Canadian Medical Association Journal JO CMAJ FD Canadian Medical Association SP E449 OP E451 DO 10.1503/cmaj.221266 VO 195 IS 12 A1 René Wittmer A1 Olivia Vincent-Boulay A1 Jonathan Lacombe Barrios YR 2023 UL http://www.cmaj.ca/content/195/12/E449.abstract