Columbia subject headings:
Chemicals--Law and legislation--Periodicals.
Pharmacology, Experimental--Periodicals.
Poisons--Law and legislation--Periodicals.
Toxicity testing--Periodicals.
Toxicology, Experimental--Periodicals.
Toxicology--Periodicals.
Harvard subject headings:
Chemicals--Law and legislation--Periodicals.
Pharmacology, Experimental--Periodicals.
Poisons--Law and legislation--Periodicals.
Toxicity testing--Periodicals.
Toxicology, Experimental--Periodicals.
Toxicology--Periodicals
Princeton subject headings: