روابط هامة
US OSHA: https://www.osha.gov
Europian OSHA: http://europe.osha.eu.int
NIOSH: http://www.cdc.gov/niosh/homepage.html
ACOEM: http://www.acoem.org
WHO: http://www.who.int/home-page
ILO http://www.ilo.org/public/English
ICOH: http://www.icoh.org.sg/eng/index.html
HSE (UK): http://www.hse.gov.uk
EPA: http://www.epa.gov/
CDC: https://www.cdc.gov/nchs/icd/icd10cm.htm