The effects of a provincial opioid prescribing standard on prescribing for pain in adults: an interrupted time-series analysis
CMAJ. 2025 May 11;197(18):E497-E505. doi: 10.1503/cmaj.250167.ABSTRACTBACKGROUND: In 2016, the College of Physicians and Surgeons of British Columbia released a legally enforceable opioid prescribing practice standard...