@article{article, title  = {{Ashworth revisited.}},

 url = {{}},

 year = {{1999}},

 month = {{1}},

 author = {{Gunn J}},

 doi = {{10.1136/bmj.318.7178.271}},

 volume = {{318}},

 journal = {{BMJ}},

 issue = {{7178}},

 pages = {{271}},

 note = {{Accessed on 2026/01/23}}}