Columbia subject headings:
Environmental health.
Organochlorine Insecticides--Environmental aspects.
Harvard subject headings:
Environmental health
Organochlorine Insecticides--Environmental aspects.
Princeton subject headings:
Fireproofing agents--Environmental aspects.
Fireproofing agents--Physiological effect.
Fireproofing agents--Toxicology.
Organochlorine compounds--Environmental aspects.
Organochlorine compounds--Physiological effect.
Organochlorine compounds--Toxicology.