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A different kind of contextual effect: geographical clustering of cocaine incidence in the USA
- Correspondence to: Kenneth R Petronis, Substance Abuse and Mental Health Services Administration, Office of Applied Studies, 5600 Fishers Lane, 16-105, Rockville, MD 20857, USA; kpetronisamhsa.gov
Citation
A different kind of contextual effect: geographical clustering of cocaine incidence in the USA
Publication history
- Accepted March 30, 2003
- First published November 4, 2003.
Online issue publication
April 27, 2016
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Copyright 2003 Journal of Epidemiology and Community Health