| cdc.gov | US - - National Institute for Occupational Safety and Health (NIOSH) |
| ccohs.ca | Canadian Center for Occupational Health and Safety |
| osha.gov | Occupational Safety and Health Administration (OSHA) |
| nih.gov | National Institute of Environmental Health Sciences |
| usitc.gov | United States International Trade Commission (USITC) |
| plant-maintenance.com | Failure Analysis Articles |
| panda.org | Root Causes of Biodiversity Loss |
| osha-slc.gov | Safety and Health Topics |
| ntsb.gov | Major Transportation Incident Investigations |
| mers-tm.net | Medical Event Reporting System - Transfusion Medicine |
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