@article{ref1,
title="Poor social conditions, criminality and urban violence: Unmentioned barriers for effective cancer pain control at the end of life",
journal="Journal of pain and symptom management",
year="2003",
author="Soares, Luiz Guilherme L.",
volume="26",
number="2",
pages="693-695",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0885-3924",
doi="",
url="http://dx.doi.org/"
}