@article{ref1,
title="Asphyxia caused by accidental occlusion of the respiratory tract. (New observations)",
journal="Portugal médico",
year="1961",
author="da Costa, ",
volume="45",
number="",
pages="113-124",
abstract="<p>[Abstract unavailable]</p><p>Language: pt</p>",
language="pt",
issn="",
doi="",
url="http://dx.doi.org/"
}