@article{article, title = {{The costs and benefits of helicopter emergency ambulance services in England and Wales.}}, url = {{}}, year = {{1996}}, month = {{3}}, author = {{Snooks HA and Nicholl JP and Brazier JE and Lees-Mlanga S}}, doi = {{10.1093/oxfordjournals.pubmed.a024465}}, volume = {{18}}, journal = {{J Public Health Med}}, issue = {{1}}, pages = {{67-77}}, note = {{Accessed on 2025/05/12}}}