Science/ 
 Guide to biotechnology products and instruments 
American Association for the Advancement of Science 
 - Lancaster, Pa. :  Lancaster, Pa., 
 - Semanal 
<br/><br/><label>ISSN: </label>0036-8075 
 = Science 
 = Science 
<br/><br/><label>Subjects--Index Terms: </label>CIENCIAS EN GENERAL