@article{ref1,
title="The heart rate response to psychological challenge is higher in children displaying lower physical activity",
journal="Activitas nervosa superior",
year="1990",
author="Solcová, I. and Sýkora, J. and Pauer, M. and Semiginovský, B.",
volume="32",
number="1",
pages="40-42",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0001-7604",
doi="",
url="http://dx.doi.org/"
}