Biochemical and organic compounds for research and diagnostic clinical reagents / 
Sigma chemical company. 
 - USA :  SIGMA,  1984 
 - 152 p. ;  23 cm. 
<br/><br/> Sigma Price List  FEB. 1984 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bioquímica orgánica<br/>Compuestos orgánicos