@article{ref1,
title="Substance use among street children and other children and youth in especially difficult circumstances",
journal="Indian pediatrics",
year="1997",
author="",
volume="34",
number="9",
pages="859-861",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0019-6061",
doi="",
url="http://dx.doi.org/"
}