@article{ref1,
title="Pulmonary diffusing capacity for carbon monoxide during rest and following exertion in chronic obstructive ephysema",
journal="Wiener Medizinische Wochenschrift",
year="1977",
author="Patsch, J.",
volume="127",
number="12",
pages="400-401",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0043-5341",
doi="",
url="http://dx.doi.org/"
}