Letters Effects of helicopter service on survival after trauma BMJ 1995; 311 doi: https://doi.org/10.1136/bmj.311.7013.1164b (Published 28 October 1995) Cite this as: BMJ 1995;311:1164 Article Related content Metrics Responses Peer review Related articles Paper Effects of London helicopter emergency medical service on survival after trauma Published: 22 July 1995; BMJ 311 doi:10.1136/bmj.311.6999.217 See more Doctors face manslaughter charge for failing to raise alarm over killer nurse BMJ December 01, 2016, 355 i6507; DOI: https://doi.org/10.1136/bmj.i6507 Five minutes . . . with Tim Hodgetts BMJ November 30, 2016, 355 i6366; DOI: https://doi.org/10.1136/bmj.i6366 Lamb ingestion and odynophagia BMJ November 02, 2016, 355 i5506; DOI: https://doi.org/10.1136/bmj.i5506 Abdominal pain in a 24 year old woman BMJ October 13, 2016, 355 i5264; DOI: https://doi.org/10.1136/bmj.i5264 Chilcot: physical and mental legacy of Iraq war on UK service personnel BMJ July 12, 2016, 354 i3842; DOI: https://doi.org/10.1136/bmj.i3842