![](/img/cover-not-exists.png)
Proximity to the US–Mexico border: a key to explaining geographic variation in US methamphetamine, cocaine and heroin purity
James K. Cunningham, Jane Carlisle Maxwell, Octavio Campollo, Kathryn I. Cunningham, Lon-Mu Liu, Hui-Lin LinVolume:
105
Year:
2010
Language:
english
Pages:
14
DOI:
10.1111/j.1360-0443.2010.03032.x
File:
PDF, 592 KB
english, 2010