BIOCHEMICALS ORGANIC COMPOUNDS FOR RESEARCH  AND DIAGNOSTIC REAYENTS/  
SIGMA CHEMICAL  COMPANY. 
 - SAINT LOUIS, MO.:   SIGMA  1986 
 - V  23 CM. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>1.BIOQUIMICA - CATALOGOS.<br/>2.COMPUESTOS  ORGANICOS - CATALOGOS.
<br/><br/><label>Dewey Class. No.: </label>C 574.1920216 S54