The Merck index : an encyclopedia of chemicals, drugs, and biologicals / edited by Maryadele J. O'Neil ... [et al.]. - 13th ed. - Whitehouse Station, N.J. : Merck, c2001. - various pages : illustrations ; 26 cm. Includes indexes. ISBN: 0911910131 Subjects--Topical Terms: Drugs--Dictionaries.Chemicals--Dictionaries.Biomolecules--Dictionaries. Dewey Class. No.: 615.103 MER