Ansel's pharmaceutical dosage forms and drug delivery systems / Loyd V. Allen Jr., Nicholas G. Popovich, Howard C. Ansel. Pharmaceutical dosage forms and drug delivery systems Allen, Loyd V. Popovich, Nicholas G. Ansel, Howard C. 1933- Ansel, Howard C., 1933- Pharmaceutical dosage forms and drug delivery systems. Drugs Dosage forms. Drug delivery systems. Dosage Forms. Drug Delivery Systems. RS200 .A57 2005 615.91 ALA Rev. ed. of: Pharmaceutical dosage forms and drug delivery systems / Howard C. Ansel, Loyd V. Allen, Jr., Nicholas G. Popovich. 7th ed. c1999. Includes bibliographical references and index. Philadelphia : Lippincott Williams & Wilkins, c2005. c2005. 2005 Text xi, 738 p. : http://www.loc.gov/catdir/enhancements/fy0713/2004048276-d.html http://www.loc.gov/catdir/enhancements/fy1009/2004048276-t.html eng