@article{ref1,
title="Suicidal behaviour in depressive illness; a study of aetiological factors in suicide",
journal="Journal of mental science",
year="1958",
author="Walton, H. J.",
volume="104",
number="436",
pages="884-891",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0368-315X",
doi="",
url="http://dx.doi.org/"
}