The changing scope of environmental health.  [electronic resource] 

 -  WHO chronicle  Mar 1968 
 - 95-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0042-9694 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental Health<br/>Public Health<br/>Sanitary Engineering