title: We don't know what we don't know: prehospital data in combat casualty care.
authors: US Army Institute of Surgical Research, Fort Sam Houston, TX, USA.
authors: Brian J
authors: BJ
authors: Eastridge
authors: Robert L
authors: RL
authors: Mabry
authors: Lorne H
authors: LH
authors: Blackbourne
authors: Frank K
authors: FK
authors: Butler