Certain polycyclic aromatic hydrocarbons and heterocyclic compounds. 

 - 271p. 
 - ITS: Monographs ... carcinogenic risk of chemicals to man ; v. 3. .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hydrocarbons--Toxicity<br/>Heterocyclic compounds--Toxicity<br/>Carcinogens