Williams, Nigel <br/><br/>
Protection fails to stem amphibian decline.  [electronic resource] 

 -  Current biology : CB  May 2007 
 - R339-40 p.  digital 
<br/><br/> Publication Type: News 
<br/><br/><label>ISSN: </label>0960-9822 
<br/><br/><label>Standard No.: </label>10.1016/j.cub.2007.04.041  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Amphibians--classification<br/>Animals<br/>Biodiversity<br/>Conservation of Natural Resources<br/>Costa Rica<br/>Extinction, Biological<br/>Population Density<br/>Reptiles--classification