Abstracts 

 - [s.l.] :  [s.e.],  [s.a.] 
 - 156 p. 
<br/><br/><label>LCCN: </label>25636 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Bacterias patógenas.<br/>Micoplasma.
<br/><br/><label>Dewey Class. No.: </label>589.9  / C63 1980