Oken, D E <br/><br/>
Criteria for the evaluation of the severity of established renal disease.  [electronic resource] 

 -  Nephron  1970 
 - 385-8 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1660-8151 
<br/><br/><label>Standard No.: </label>10.1159/000179838  doi