Biochemical and organic compounds for research and diagnostic clinical reagents. 

 - St. Louis, Mo. :  Sigma Chemical Co. 
 - v. :  ill. ;  23 cm. 
<br/><br/> Issues for 1989- have title: Biochemicals, organic compounds for research, and diagnostic reagents. 
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<br/><br/><label>ISSN: </label>1044-4203 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Chemicals<br/>MCE<br/>Organische chemie.
<br/><br/><label>Dewey Class. No.: </label>660.63  / BIO