@article{ref1,
title="Is sulfasalazine toxic?",
journal="Journal of toxicology - clinical toxicology",
year="1998",
author="Heard, K. and O'Malley, G. and Dart, Richard C. and Smith, Marjorie",
volume="36",
number="7",
pages="757-760",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0731-3810",
doi="",
url="http://dx.doi.org/"
}