@article{ref1,
title="Death from food-choking prevented by a new life-saving maneuver",
journal="Heart and lung",
year="1976",
author="Heimlich, H. J.",
volume="5",
number="5",
pages="755-758",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0147-9563",
doi="",
url="http://dx.doi.org/"
}