Ansel, Howard C., 1933-. Pharmaceutical dosage forms and drug delivery systems / by Howard C. Ansel, Nicholas G. Popovich and Loyd V. Allen, Jr. - 6th ed. - Baltimore : Williams & Wilkins, 1995. - 514 p. : ill. ; 26 cm. ISBN: 0683001930 RM136.63 LCCN: 94-022471 Subjects--Topical Terms: Dosage Forms.Drug delivery systems.