@article{ref1,
title="How to avoid poisoning due to losses of hydrogen sulfide in analytical laboratories",
journal="La Semana Médica",
year="1959",
author="Paoli, A. R.",
volume="115",
number="",
pages="460-471",
abstract="<p>[Abstract unavailable]</p><p>Language: es</p>",
language="es",
issn="0370-9590",
doi="",
url="http://dx.doi.org/"
}