WHO <br/><br/>
WHO Expert committee on biological standardization 

 - 4th ed 
 - Geneva  WHO  1995 
 - VI,102pg. 
<br/><br/><label>ISBN: </label>9241208589 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological
<br/><br/><label>LC Class. No.: </label>RS189  / .W67