Ferrer Roda, J <br/><br/>
[Difficulties in the classification of tumors].  [electronic resource] 

 -  Actas urologicas espanolas   
 - 315-6 p.  digital 
<br/><br/> Publication Type: Editorial 
<br/><br/><label>ISSN: </label>0210-4806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Humans<br/>Neoplasm Staging<br/>Neoplasms--classification