Columbia subject headings:
Harvard subject headings:
Drug control--Statistics--Periodicals.
Pharmaceutical industry--Statistics--Periodicals.
Pharmaceutical policy--Statistics--Periodicals.
Psychotropic drugs--Statistics--Periodicals.
Princeton subject headings:
Drug control--Statistics--Periodicals.
Pharmaceutical industry--Statistics--Periodicals.
Pharmaceutical policy--Statistics--Periodicals.
Psychotropic drugs--Statistics--Periodicals.