Ansel , Howard C. Pharmaceutical calculations [[Book] /] Howard C. Ansel , Mitchell J. Stoklosa. - 12th ed. - U.S.A : Lippincott william & wilkins, 2008. - 425 p. : ill. ; 25 cm. Includes index. All age. ISBN: 9788190367042 0781762650 Subjects--Topical Terms: Pharmaceutical arithmetic.Mathematics.Pharmacy. Dewey Class. No.: 615.19 National Library of Medicine Call No.: / A P