@article{article, title  = {{David John Walker}},

 publisher = {{BMJ}},

 url = {{https://doi.org/10.1136/bmj-2026-100658 }},

 year = {{2026}},

 month = {{9}},

 author = {{Helliwell P and Judson M and Adebajo A}},

 doi = {{10.1136/bmj-2026-100658}},

 volume = {{394}},

 journal = {{BMJ}},

 pages = {{e100658-e100658}},

 note = {{Accessed on 2026/09/24}}}