Columbia subject headings:
Industrial hygiene--Miscellanea.
Industrial toxicology--Miscellanea.
Occupational diseases--Miscellanea.
Workers' compensation--United States--Miscellanea.
Harvard subject headings:
Industrial hygiene--Miscellanea.
Industrial toxicology--Miscellanea.
Occupational diseases--Miscellanea.
Workers' compensation--United States--Miscellanea.
Princeton subject headings:
Industrial hygiene--Miscellanea.
Industrial toxicology--Miscellanea.
Occupational diseases--Miscellanea.
Workers' compensation--United States--Miscellanea.