SONNE, J C <br/><br/>
Biosynthesis of the purines.  IX.  Precursors of the nitrogen atoms of the purine ring.  [electronic resource] 

 -  The Journal of biological chemistry  May 1956 
 - 369-78 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0021-9258 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Isotopes<br/>Metabolic Networks and Pathways<br/>Nitrogen<br/>Purines--metabolism