@article{ref1,
title="Angiographic evidence of brain death",
journal="Australasian radiology",
year="1975",
author="Jefferson, N. R. and Ameratunga, B. and Rajapakse, S.",
volume="19",
number="3",
pages="289-296",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-8461",
doi="",
url="http://dx.doi.org/"
}