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Ethnographic Strategies in the Tracking and Retention of Street-Recruited Community-Based Samples of Substance Using Hidden Populations in Longitudinal Studies
Cepeda, Alice, Valdez, AvelardoVolume:
45
Language:
english
Journal:
Substance Use & Misuse
DOI:
10.3109/10826081003591282
Date:
April, 2010
File:
PDF, 271 KB
english, 2010