Ansel, Howard C. Pharmaceutical dosage forms and drug delivery systems / Howard C. Ansel., Loyd V. Allen, Jr., Nicholas G. Popovich. - Seventh edition. - Philadelphia: Lippincott Willams & Wilkins, 1999. - x, 595 pages : 24 centimeter. ISBN: 9715841384 Subjects--Topical Terms: Dosage forms.Drug delivery systems. Dewey Class. No.: FOR 615.1 An8p 1999