The study protocol for the Head Injury Retrieval Trial (HIRT): a single centre randomised controlled trial of physician prehospital management of severe blunt head injury compared with management by paramedics.
Scand J Trauma Resusc Emerg Med. 2013 Sep 14;21:69. doi: 10.1186/1757-7241-21-69. Scand J Trauma Resusc Emerg Med. 2013. PMID: 24034628 Free PMC article. Clinical Trial.