Columbia subject headings:
Carcinogenicity testing--Congresses.
Carcinogens--Congresses.
Drugs--Structure-activity relationships--Congresses.
Mutagenesis--Congresses.
Mutagens--Congresses.
Harvard subject headings:
Carcinogenicity testing--Congresses.
Carcinogens--Congresses
Drugs--Structure-activity relationships--Congresses.
Mutagens--Congresses.
Princeton subject headings: