WHO Study Group on Rheumatic Fever and Rheumatic Heart Disease. <br/><br/>
Manganese 
"Published under the joint sponsorship of the United Nations Environment Programme, the Internationl Labour Organisation, and the World Health Organization". 
 - Geneva  World Health Organization  1981. 
 - 110 p. : ill. ; 21 cm. 
<br/><br/><label>ISBN: </label>924154077X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental exposure.<br/>Manganese--Standards.