1. U.S. Department of Labor- Bureau of Labor Statistics . Nonfatal Occupational Injuries and Illnesses Requiring Days Away From Work: Table 5: Number, incidence rate, and median days away from work for nonfatal occupational injuries and illnesses involving days away from work by injury or illness characteristics and ownership, 2014. Washington, D.C. (2015).
2. U.S. Department of Labor- Bureau of Labor Statistics. Census of Fatal Occupational Injuries Summary: Table A-1. Fatal occupational injuries by industry and event or exposure, all United States, 2014. Washington, D.C. (2015).
3. Estimated lifetime medical and work-loss costs of emergency department-treated nonfatal injuries-United States, 2013;Florence;MMWR,2015
4. Estimated lifetime medical and work-loss costs of fatal injuries-United States, 2013;Florence;MMWR,2015
5. The role of friction in the measurement of slipperiness, part 2: survey of friction measurement devices;Chang;Ergonomics,2001