@article{ref1,
title="Suicidal ideation in patients with rheumatoid arthritis. Natural course of suicidal ideation and treatment efficacy need to be known",
journal="British medical journal: BMJ",
year="2000",
author="Collinge, T. and Shah, A.",
volume="321",
number="7271",
pages="1290-1291",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0959-8138",
doi="",
url="http://dx.doi.org/"
}