Alexander, B <br/><br/>
Areas of the United States with elevated screening levels of 222Rn.  [electronic resource] 

 -  Health physics  Jan 1994 
 - 50-4 p.  digital 
<br/><br/> Publication Type: Journal Article; Research Support, Non-U.S. Gov't; Research Support, U.S. Gov't, Non-P.H.S. 
<br/><br/><label>ISSN: </label>0017-9078 
<br/><br/><label>Standard No.: </label>10.1097/00004032-199401000-00007  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Air Pollutants, Radioactive--analysis<br/>Air Pollution, Indoor--analysis<br/>Data Collection<br/>Housing<br/>Humans<br/>Radon--analysis<br/>United States