USP DI., United States pharmacopeia dispensing information: Drug information for the health care provider - Rockville, Md. United States Pharmacopeial Convention C1982 - xxv, 982p. 29 cm. V.1 Drug information for the health care provider . Subjects--Topical Terms: Drugs - Periodicals. Medicine - Formulae, receipts, prescriptions Pharmacopeias - Periodicals. Dewey Class. No.: 615.1 / D79D20