Columbia subject headings:
Drugs--Bioavailability--Periodicals.
Drugs--Catalogs--Periodicals.
Drugs--Therapeutic equivalency--Periodicals.
Medical care--United States--Periodicals.
Pharmaceutical services insurance--Periodicals.
Harvard subject headings:
Drugs--Bioavailability--Periodicals.
Drugs--Catalogs--Periodicals.
Drugs--Therapeutic equivalency--Periodicals.
Medical care--United States--Periodicals.
Pharmaceutical services insurance--Periodicals.
Princeton subject headings:
Catalogs.
Drugs--Bioavailability--Periodicals.
Drugs--Catalogs--Periodicals.
Drugs--Therapeutic equivalency--Periodicals.
Medical care--United States--Periodicals.
Periodicals.
Pharmaceutical services insurance--Periodicals.