http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=196&ved=0CEUQFjAFOL4B&url=http%3A%2F%2Fwww.dshs.state.tx.us%2Femstraumasystems%2FFirstResponderOrgReports.pdf&ei=EPloT8SKHMaXtwe1oczrCA&usg=AFQjCNHTiNhSEhjHLK82wWVMlhqr9Az-9g