Open Access
In response to: Helicopter versus ground ambulance: review of national database for outcomes in survival in transferred trauma patients in the USA Michaels D, Pham H, Puckett Y, et al Trauma Surg Acute Care Open 2019;4:e000211
Brianna Dowd, Adel Elkbuli
DOI: 10.1136/tsaco-2019-000404 Published 17 November 2019