@article{ref1,
title="Problem patients--I tried not to show my fear of his possible violence",
journal="Kango",
year="1991",
author="Yamamoto, Takashi",
volume="43",
number="1",
pages="114-118",
abstract="<p>[Abstract unavailable]</p> <p>Language: ja</p>",
language="ja",
issn="0022-8362",
doi="",
url="http://dx.doi.org/"
}