A follow-up study of heroin addicts (VEdeTTE2): study design and protocol

Federica D Vigna-Taglianti1, Federica Mathis, Roberto Diecidue

  • 1Piedmont Centre for Drug Addiction Epidemiology, ASL 5 - Grugliasco, Italy. federica.vignataglianti@oed.piemonte.it

Abstract

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