an encyclopedia of chemicals, drugs and biologicals Maryadele J. O' Neil (editor) creator text USA Merck & Co., INC. 2001 monographic 2 vol, various pages. : ill. ; 25 cm. Includes index. Vol: 1 Vol: 2 Drugs-Dictionaries Dictionaries, Pharmaceutic Substances Amino acid Heterocyclic Botany Radioactive Reactions WHO RIPS 615.103 MER 0911910131 (hb)