The Merck index : an encyclopedia of chemicals, drugs, and biologicals / edited by Maryadele J. O' Neil. - 14th ed. - Whitehouse Station (N. J.) : Merck Research Laboratories, c2006. - various pages : illustrations ; 25 cm. Includes index. ISBN: 091191000X 9780911910001 Subjects--Topical Terms: Chemicals.Drugs.Biologicals--Encyclopedias. Dewey Class. No.: 615.103 MER