Niederkrotenthaler, T., Parker, E.M., Ovalle, F., et al. (2013). Injuries and Post-Traumatic Stress Following Historic Tornados: Alabama, April 2011. PLoS One. 8(12): e83038.
The authors analyzed tornado-related injuries seen at hospitals and risk factors for tornado injury, and screened for post-traumatic stress following a statewide tornado-emergency in Alabama in April 2011. The majority of injuries were not life-threatening; the most severe injuries affected the head and chest regions.