A propensity score analysis of prehospital factors and directness of transport of major trauma patients to a level I trauma center.
Garwe T, Cowan LD, Neas BR, Sacra JC, Albrecht RM, Rich KM. A propensity score analysis of prehospital factors and directness of transport of major trauma patients to a level I trauma center. J Trauma. 2011 Jan; 70(1):120-9.