A Brazilian investigative team, collaborating with a Simon Fraser University researcher, is citing an urgent need for targeted interventions among young crack users in cities throughout Brazil, identified as the world's biggest crack market, and further research to better address the problem.
Fuente : http://www.eurekalert.org/pub_releases/2013-05/sfu...
Fuente : http://www.eurekalert.org/pub_releases/2013-05/sfu...