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

 publisher = {{BMJ}},

 url = {{}},

 year = {{2023}},

 month = {{1}},

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

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

 journal = {{BMJ Quality & Safety}},

 note = {{Accessed on 2024/09/19}}}