@article{ref1,
title="Letter: Asphyxiation due to choking",
journal="Canadian Medical Association journal",
year="1974",
author="Pointer, A. E.",
volume="111",
number="10",
pages="1048-1049",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0008-4409",
doi="",
url="http://dx.doi.org/"
}