@article{ref1,
title="Heart rate and arterial glucose and lactate concentrations in non-stop and intermittent swimming",
journal="Deutsche Medizinische Wochenschrift",
year="1972",
author="Keul, J. and Zippelius, P. and Henrich, G.",
volume="97",
number="35",
pages="1294-1298",
abstract="<p>[Abstract unavailable]</p><p>Language: de</p>",
language="de",
issn="0012-0472",
doi="10.1055/s-0028-1107549",
url="http://dx.doi.org/10.1055/s-0028-1107549"
}