Columbia subject headings:
Drugs--Toxicology--Congresses.
Neuropsychopharmacology--Congresses.
Psychotropic drugs--Toxicology--Congresses.
Harvard subject headings:
Drugs--Toxicology--Congresses.
Neuropsychopharmacology--Congresses.
Psychotropic drugs--Toxicology--Congresses.
Princeton subject headings:
Drugs--Toxicology--Congresses.
Neuropsychopharmacology--Congresses.
Psychotropic drugs--Toxicology--Congresses.