@article{article, title  = {{Effects of London helicopter emergency medical service on survival after trauma.}},

 url = {{}},

 year = {{1995}},

 month = {{7}},

 author = {{Nicholl JP and Brazier JE and Snooks HA}},

 doi = {{10.1136/bmj.311.6999.217}},

 volume = {{311}},

 journal = {{BMJ}},

 issue = {{6999}},

 pages = {{217-222}},

 note = {{Accessed on 2024/10/19}}}