@article{ref1,
title="Medical complications following intravenous heroin",
journal="Arizona medicine",
year="1975",
author="Thomson, B. D.",
volume="32",
number="10",
pages="798-801",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0004-1556",
doi="",
url="http://dx.doi.org/"
}