The Merck index: an encyclopedia of chemicals, drugs and biologicals [electronic resource]    (CDROM) 

 - Whitehouse Station, N.J.  Merck Research Laboratories  2001 
 - 1 computer optical disc  4 3/4 in. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological--Encyclopedias Drugs--Encyclopedias
<br/><br/><label>Universal Decimal Class. No.: </label>54 (03) MER  / 16047