By World Health Organization <br/><br/>
Biological substances : International standards, reference preparations and reference reagents 

 - Geneva  World Health Organization  1982 
 - 87p 
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>92-4-154161-X 
<br/><br/><label>Dewey Class. No.: </label>615.3  / WHO