Ansel, Howard C. Pharmaceutical dosage forms and drug delivery systems / Howard C. Ansel, Loyd V. Allen and Nicholas G. Popovich. - 7th ed. - Philadelphia : Lippincott Williams & Wilkins, c1999 [2000]. - x, 595 pages : illustrations ; 26 cm. International student edition. Includes bibliographical references and index. ISBN: 0781728274 Subjects--Topical Terms: Drugs--Dosage forms.Drug delivery systems. Dewey Class. No.: 615.1 ANS