Ansel, Howard C. Pharmaceutical dosage forms and drug delivery systems Howard C. Ansel, Loyd V. Allen, Nicholas G. Popovich. - 7th ed. - Philadelphia, Penna. Lippincott Williams & Wilkins 1999. - x, 595 p. ill. 26 cm. Includes bibliographical references and index. ISBN: 0-683-30572-7 (softcover) Subjects--Topical Terms: Drugs--Dosage forms.Drug delivery systems. LC Class. No.: RS200 / .A57 1999 Dewey Class. No.: 615.1 / A618p7