Columbia subject headings:
Coal-tar--Environmental aspects.
Coal-tar--Toxicology.
Creosote--Environmental aspects.
Creosote--Toxicology.
Health risk assessment.
Harvard subject headings:
Coal-tar--Environmental aspects.
Coal-tar--Toxicology.
Creosote--Environmental aspects.
Creosote--Toxicology.
Health risk assessment.
Princeton subject headings:
Coal-tar--Environmental aspects.
Coal-tar--Toxicology.
Creosote--Environmental aspects.
Creosote--Toxicology.
Health risk assessment.