@article{ref1,
title="The Brazilian 'Cracolândia' open drug scene and the challenge of implementing a comprehensive and effective drug policy",
journal="Addiction",
year="2015",
author="Ribeiro, Marcelo and Duailibi, Sergio and Frajzinger, Rosana and Alonso, Ana Leonor Sala and Marchetti, Lucas and Williams, Anna V. and Strang, John and Laranjeira, Ronaldo",
volume="111",
number="4",
pages="571-573",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0965-2140",
doi="10.1111/add.13151",
url="http://dx.doi.org/10.1111/add.13151"
}