Additional file 4: Table S3. of The Norwegian guidelines for the prehospital management of adult trauma patients with potential spinal injury KornhallDaniel JørgensenJørgen BrommelandTor HyldmoPer AsbjørnsenHelge DolvenThomas HansenThomas JeppesenElisabeth 2017 Original studies supporting our 10 recommendations. (DOCX 44 kb)