Columbia subject headings:
Dieldrin--Environmental aspects.
Dieldrin--Toxicology--Handbooks, manuals, etc.
Pesticide residues in food.
Harvard subject headings:
Dieldrin--Environmental aspects.
Dieldrin--Physiological effect.
Dieldrin--Safety measures.
Dieldrin--Toxicology.
Pesticides--Environmental aspects
Pesticides--Toxicology
Princeton subject headings: