RT Journal Article SR Electronic T1 Delabelling penicillin allergy revisited JF Drug and Therapeutics Bulletin JO Drug Ther Bull FD BMJ Publishing Group Ltd SP 34 OP 34 DO 10.1136/dtb.2022.000068 VO 61 IS 3 A1 Michael Wilcock A1 Daniel Hearsey YR 2023 UL http://dtb.bmj.com/content/61/3/34.abstract AB