@article{ref1,
title="Persistent post-traumatic stress disorder. Role of alcohol ignored",
journal="British medical journal: BMJ",
year="1994",
author="Cohen, S. I.",
volume="309",
number="6958",
pages="873-873",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}