@article{ref1,
title="Development of a rating scale for primary depressive illness",
journal="British journal of social and clinical psychology",
year="1967",
author="Hamilton, Margaret",
volume="6",
number="4",
pages="278-296",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0007-1293",
doi="",
url="http://dx.doi.org/"
}