1. Bureau of Labor Statistics: Nonfatal occupational injuries and illnesses requiring days away from work. http://www.bls.gov/news.release/archives/osh2_11082012.pdf
2. Center of Disease Control: Workplace health and promotion, work-related musculoskeletal disorders (WMSD) prevention. http://www.cdc.gov/work/index.html
3. Bureau of Labor Statistics: The editor’s desk, musculoskeletal disorders and days away form work in 2007. http://www.bls.gov/opub/ted/2008/dec/wk1/art02.htm
4. Leigh, J.: Economic burden of occupational injury and illness in the United States. Milbank Q. 89(4), 728–772 (2011)
5. Center of Disease Control and Prevention: Workplace safety and health topics, traumatic occupational injuries. http://www.cdc.gov/niosh/injury/