@article{ref1,
title="Motor unit potentials at different ages",
journal="Archives of neurology",
year="1962",
author="Sacco, Giuseppe and Buchthal, F. and Rosenfalck, P.",
volume="6",
number="",
pages="366-373",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0003-9942",
doi="",
url="http://dx.doi.org/"
}