How trace elements in water contribute to health.  [electronic resource] 

 -  WHO chronicle  Oct 1978 
 - 382-5 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/>Humans<br/>Trace Elements<br/>Water Supply