CHEMICAL carcinogens.  [electronic resource] 

 -  Cancer bulletin (Houston, Tex.)   
 - 15-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0008-5448 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Carcinogens