@article{article, title  = {{Understanding the consequences of GP referral thresholds: taking the instrumental approach}},

 publisher = {{BMJ}},

 url = {{https://eprints.whiterose.ac.uk/id/eprint/195749 }},

 year = {{2023}},

 month = {{1}},

 author = {{Lewis J and Burton C}},

 doi = {{10.1136/bmjqs-2022-015557}},

 volume = {{32}},

 journal = {{BMJ Quality & Safety}},

 issue = {{6}},

 note = {{Accessed on 2025/11/17}}}