Billups, Norman F. American drug index / Norman F. Billups, Shirley M. Billups. - 48th edition. - St. Louis, Missouri : Wolters Kluwer Health, Inc., c2003. - ix , 1037 pages : black and white illustrations ; 21 cm., hardbound. ISBN: 1574391763 Subjects--Topical Terms: Pharmacology.Pharmaceutical Preparations.Drugs. Dewey Class. No.: GR 615 B599 2003