SENN, C L <br/><br/>
Environmental control and preventive medicine.  [electronic resource] 

 -  The Sanitarian   
 - 246-50 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0096-560X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environment<br/>Humans<br/>Preventive Medicine