@article{ref1,
title="Coronary arterial fistulas: seven cases with unusual features",
journal="American journal of cardiology",
year="1972",
author="Morgan, J. R. and Forker, A. D. and O'Sullivan, M. J. and Fosburg, R. G.",
volume="30",
number="4",
pages="432-436",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0002-9149",
doi="",
url="http://dx.doi.org/"
}