O'Neil, Maryadele J. The Merck index an encyclopedia of chemicals, drugs, and biologicals / [[Book] :] senior editor, Maryadele J. O'Neil ... [et al.]. - 13th ed. - Whitehouse Station, N.J. : Merck, 2001. - 1 v. (various pagings) : ill. ; 26 cm. Ill. on lining papers. Includes indexes. All Ages. ISBN: 0911910131 Subjects--Topical Terms: Drugs--Dictionaries.Chemicals--Dictionaries.Biomolecules--Dictionaries. Dewey Class. No.: 615.103 National Library of Medicine Call No.: 615.103 / OM