@article{ref1,
title="Some medical aspects of free diving",
journal="Prensa Médica Mexicana, La",
year="1961",
author="Hidalgo castro, F.",
volume="26",
number="",
pages="190-192",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0032-7468",
doi="",
url="http://dx.doi.org/"
}