UNITED STATES 296,525 USP DI ; / United States Pharmacopeia Dis- pensing Information/. -[Rockville ; United States Pharmcopeial Convention, Inc.-29 cm Vol. 1: 1984 , drug information, for the health care provider. - 1983, XXVii 1245, /8/ c. ISBN 0-913595-01-2 Vol. 2 ? 1984,advice for the patient. 1983. - 968 s. ISBN 0-913597-02-0