Cost-effectiveness of helicopter versus ground emergency medical services for trauma scene transport in the United States. Annals of emergency medicine Delgado, M. K., Staudenmayer, K. L., Wang, N. E., Spain, D. A., Weir, S., Owens, D. K., Goldhaber-Fiebert, J. D. 2013; 62 (4): 351-364 e19

View details for DOI 10.1016/j.annemergmed.2013.02.025

View details for PubMedID 23582619