@article{ref1,
title="Suicide and barbiturate prescribing",
journal="Journal of the Royal College of General Practitioners",
year="1971",
author="Barraclough, B. M. and Nelson, B. and Bunch, J. and Sainsbury, P.",
volume="21",
number="112",
pages="645-653",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0035-8797",
doi="",
url="http://dx.doi.org/"
}