Ansel, Howard C. Ansel's Pharmaceutical dosage forms and drug delivery systems Howard C. Ansel, Loyd V. Allen, Nicholas G. Popovich. - 9 th ed. - Philadelphia, Penna. Wolters Kluwer/Lippincott Williams & Wilkins c2011. - x, 595 p. ill. 26 cm. Includes bibliographical references and index. ISBN: 9780781779340 (softcover) Subjects--Topical Terms: Drugs--Dosage forms.Drug delivery systems. LC Class. No.: RS200 / .A57 2011 Dewey Class. No.: 615.1 / A618p7