@article{ref1,
title="Psychiatric morbidity and cause of death following gastrectomy for peptic ulcer",
journal="Acta chirurgica Scandinavica Supplementum",
year="1988",
author="Knop, Joachim and Fischer, A.",
volume="547",
number="",
pages="68-70",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0301-1860",
doi="",
url="http://dx.doi.org/"
}