1. Pre-hospital tracheal intubation in patients with traumatic brain injury: systematic review of current evidence 
E. von Elm, P. Schoettker, I. Henzi, J. Osterwalder, B. Walder 
British Journal of Anaesthesia 
Volume 103, Issue 3, Pages (September 2009)
DOI: /bja/aep202
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

2. Fig 1 Flow chart of study selection.
British Journal of Anaesthesia  , DOI: ( /bja/aep202)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

3. Fig 2 Overview of unadjusted estimates of mortality.
British Journal of Anaesthesia  , DOI: ( /bja/aep202)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

4. Fig 3
In-hospital mortality rates, L’Abbé plot of 13 included studies. Size of circles is proportional to study size.
British Journal of Anaesthesia  , DOI: ( /bja/aep202)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

5. Fig 4 Overview of unadjusted estimates of functional outcome.
British Journal of Anaesthesia  , DOI: ( /bja/aep202)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions

6. Fig 5 Overview of unadjusted estimates of harm outcomes.
British Journal of Anaesthesia  , DOI: ( /bja/aep202)
Copyright © 2009 British Journal of Anaesthesia Terms and Conditions