@article{ref1,
title="The Heimlich maneuver",
journal="Clinical symposia (Summit, N.J. : 1957)",
year="1979",
author="Heimlich, H. J. and Uhley, M. H. and Netter, F. H.",
volume="31",
number="3",
pages="1-32",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0009-9295",
doi="",
url="http://dx.doi.org/"
}