@article{ref1,
title="Sea urchins of Panama, the lesions they cause and their treatment",
journal="Revista Medica de Panama",
year="1983",
author="Lessios, H. A.",
volume="8",
number="1",
pages="56-71",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0379-1629",
doi="",
url="http://dx.doi.org/"
}