{
  "abstract": "BMJ is concerned about the consent obtained from veterans to use their personal information in this research paper1 and broader Veterans' Medicines Advice and Therapeutics Education Services (MATES) program. BMJ was contacted by veterans who asked the journal to retract the content on this basis.",
  "authors": [
    {
      "affiliations": [],
      "name": "British Medical Journal Publishing Group"
    }
  ],
  "title": "Expression of concern: Persistence with opioids post discharge from hospitalisation for surgery in Australian adults: a retrospective cohort study",
  "uid": "dd017df4-16e6-54e9-a2c6-f8da034870de"
}