@article{ref1,
title="Critical considerations on diagnosis and treatment at Stockholm's municipal gas works clinic. I. Etiology and symptomatology of so-called chronic carbon monoxide poisoning",
journal="Svenska läkartidningen",
year="1952",
author="Ahlmark, A. and Swennson, A. and Wohlfahrt, S.",
volume="49",
number="30",
pages="1910-1932",
abstract="<p>[Abstract unavailable]</p><p>Language: un</p>",
language="un",
issn="0371-439X",
doi="",
url="http://dx.doi.org/"
}