Biagi, F <br/><br/>
[Ecology, a reference mark].  [electronic resource] 

 -  La Prensa medica mexicana   
 - 22-5 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0032-7468 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology