@article{ref1,
title="Crack across the Americas - A massive problem in continued search of viable answers: Exemplary views from the North (Canada) and the South (Brazil)",
journal="International journal on drug policy",
year="2013",
author="Fischer, Benedikt and Cruz, Marcelo Santos and Bastos, Francisco Inácio and Tyndall, Mark",
volume="24",
number="6",
pages="631-633",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0955-3959",
doi="10.1016/j.drugpo.2013.09.003",
url="http://dx.doi.org/10.1016/j.drugpo.2013.09.003"
}