?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.aulast=Jani&rft.aufirst=Y&rft.au=Jani%2C+Y&rft.date=March+2020&rft.atitle=Sustaining+and+spreading+penicillin+allergy+de-labelling%3A+a+narrative+review+of+the+challenges+for+service+delivery+and+patient+safety&rft.volume=86&rft.issue=3&rft.pages=548-559&rft.title=British+Journal+of+Clinical+Pharmacology&rft.genre=article