@article{ref1,
title="Cardiac frequency in fatigued individuals",
journal="Bollettino della Società Italiana di Biologia Sperimentale",
year="1968",
author="Di Prampero, P. E. and Carù, B. and Sassi, G.",
volume="44",
number="6",
pages="541-543",
abstract="<p>[Abstract unavailable]</p><p>Language: it</p>",
language="it",
issn="0037-8771",
doi="",
url="http://dx.doi.org/"
}