@article{ref1,
title="Excretion of catecholamines in flight traffic control personnel",
journal="Schweizerische Medizinische Wochenschrift",
year="1969",
author="Schaad, R. and Gilgen, A. and Grandjean, E.",
volume="99",
number="24",
pages="889-892",
abstract="<p>[Abstract unavailable]</p> <p>Language: de</p>",
language="de",
issn="0036-7672",
doi="",
url="http://dx.doi.org/"
}