@article{ref1,
title="Incidence of periodic breathing in 2000 subjects without pulmonary or neurological disease",
journal="Bulletin de Physio-Pathologie Respiratoire (Nancy)",
year="1972",
author="Specht, H. and Fruhmann, G.",
volume="8",
number="5",
pages="1075-1083",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-439X",
doi="",
url="http://dx.doi.org/"
}