The Merck index : an encyclopedia of chemicals, drugs, and biologicals / senior editor, Maryadele J. O'Neil ... [et al.]. O'Neil, Maryadele J. ed. Drugs Dictionaries. Chemicals Dictionaries. Biomolecules Dictionaries. RS51 .M4 2001 540.3 MER Includes index. Whitehouse Station, N.J. : Merck, 2001. 2001. 2001 Text xvi, 1818 p., in various pagings : eng