[Washington, D.C.] : Dept. of Health and Human Services, Centers for Disease Control and Prevention, National Institute for Occupational Safety and Health ; [Springfield, Va. :] : [National Technical Information Service, distributor], [2003]
Also available via Internet from the CDC Web site. Address as of 03/17/04: http://www.cdc.gov/niosh/hhe/reports/pdfs/2003-0094-2919.pdf; current access is available via PURL.