World Health Organization, Who <br/><br/>
Biological subtances : international standars and reference reagents 1990 

 - 1a. ed. 
 - 105 páginas  24 x 16 cm 
<br/><br/><label>ISBN: </label>92-4-154429-5 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Quimica