Enlace / 
Sociedad Americana del Cáncer. 
 - volumes :  illustrations (black and white) ;  28 cm. 
 - Quaterly. 
<br/><br/><label>Subjects--Corporate Names: </label><br/>American Cancer Society--Periodicals.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Puerto Rico--Periodicals.