@article{ref1,
title="Thoracic cage impedance measurements: impedance plethysmographic determination of cardiac output. (an interpretive study)",
journal="AMD technical reports",
year="1964",
author="Kinnen, E. and Witsoe, D. and Kubicek, W.",
volume="sam-tdr-64",
number="23",
pages="1-12",
abstract="[Abstract unavailable]  <p>sam-tdr-64-23.</p>  <p>Language: en</p>",
language="en",
issn="",
doi="",
url="http://dx.doi.org/"
}