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- Reduced mortality in injured adults transported by helicopter emergency medical services.Prehosp Emerg Care. 2011; 15: 295-302
- Modern epidemiology. 3rd ed. Wolters Kluwer, Lippincott Williams & Wilkins, Philadelphia, PA2008
- Advanced statistics: up with odds ratios! A case for odds ratios when outcomes are common.Acad Emerg Med. 2002; 9: 1430-1434