@article{ref1,
title="Choking victims: back blows and chest thrusts are hazardous, even lethal",
journal="Public health reports (1974)",
year="1987",
author="Heimlich, H. J.",
volume="102",
number="5",
pages="561-562",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0033-3549",
doi="",
url="http://dx.doi.org/"
}