Drug information journal. Official journal of the Drug Information Association - Horsham : Drug Information Association, 1997- - v. ; 28 cm. - Quarterly - v. 31, no. 1 (1997)- Latest issue consulted Vol. 38, no. 4 (2004) ISSN: 00928615 Subjects--Topical Terms: Pharmaceutical preparations -- Periodicals. National Library of Medicine Call No.: W1 / DR523P 1997-