See Appendix for more details.
National Center for Health Statistics National Health Interview Survey.
NIOSH 2008. Work-Related Lung Disease Surveillance System (eWoRLD). 2008-180 U.S. Department of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health, Respiratory Health Division, Morgantown, WV. Available at: <https://wwwn.cdc.gov/eWorld/Data/180> April 12, 2021.
Reference Number: 2008-180
Date Posted: June 2008