Briggs, W C <br/><br/>
"Double exposure": how real is it?  [electronic resource] 

 -  Environmental health perspectives  Aug 1999 
 - A394-5 p.  digital 
<br/><br/> Publication Type: Comment; Letter 
<br/><br/><label>ISSN: </label>0091-6765 
<br/><br/><label>Standard No.: </label>10.1289/ehp.107-1566484  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Exposure--analysis<br/>Humans<br/>Reference Values<br/>Smoke--analysis<br/>Tobacco Smoke Pollution--adverse effects