World Health Organization <br/><br/>
Biological substances : International standards and reference reagents 1990 

 - Geneva  World Health Organization  1991 
 - 105p 
<br/><br/>World Health Organization: Biological substances : International standards and reference reagents 1990.  Geneva.  World Health Organization, 1991. 92-4-154429-5--(615WOR)   
<br/><br/><br/>ENGLISH 
<br/><br/><label>ISBN: </label>92-4-154429-5 
<br/><br/><label>Dewey Class. No.: </label>615  / WHO