@article{ref1,
title="Early recognition of depression",
journal="Hospital practice (office edition)",
year="1981",
author="Guze, S. B.",
volume="16",
number="9",
pages="87-9, 93",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="8750-2836",
doi="",
url="http://dx.doi.org/"
}