Cohen, B L <br/><br/>
Radon-222 levels in low income households.  [electronic resource] 

 -  Health physics  Mar 1989 
 - 349-53 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0017-9078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Housing<br/>Humans<br/>Income<br/>Pennsylvania<br/>Radon--analysis