Auteur G. KAMPHAUSEN

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Digital figurations in the online trade of illicit drugs: A qualitative content analysis of darknet forums

G. KAMPHAUSEN ; B. WERSE | 2019
Dans International Journal of Drug Policy (Vol.73, November 2019) Article : Périodique

Introduction: This article analyses the factors of trust, logistics, and conflict on darknet markets (DNMs) and forums that are dedicated to selling illicit drugs. The analysis is conducted by utilising Elias (1978) theoretical concept of 'figur[...]

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Health and social problems associated with recent novel psychoactive substance (NPS) use amongst marginalised, nightlife and online users in six European countries

M. C. VAN HOUT ; A. BENSCHOP ; M. BUJALSKI ; K. DABROWSKA ; Z. DEMETROVICS ; K. FELVINCZI ; E. HEARNE ; S. HENRIQUES ; Z. KALO ; G. KAMPHAUSEN ; D. KORF ; J. P. SILVA ; L. WIECZOREK ; B. WERSE | 2018
Dans International Journal of Mental Health and Addiction (Vol.16, n°2, April 2018) Article : Périodique

Continued diversification and use of new psychoactive substances (NPS) across Europe remains a public health challenge. The study describes health and social consequences of recent NPS use as reported in a survey of marginalised, nightlife and o[...]

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How and where to find NPS users: A comparison of methods in a cross-national survey among three groups of current users of new psychoactive substances in Europe

D. KORF ; A. BENSCHOP ; B. WERSE ; G. KAMPHAUSEN ; K. FELVINCZI ; K. DABROWSKA ; S. HERNRIQUES ; T. NABBEN ; L. WIECZOREK ; M. BUJALSKI ; Z. KALO ; E. HEARNE ; M. C. VAN HOUT | 2021
Dans International Journal of Mental Health and Addiction (Vol.19, n°4, August 2021) Article : Périodique

Use of new psychoactive substances (NPS) across Europe remains a public health challenge. The study describes potentials and limitations of methods in a transnational survey of recent marginalised, nightlife and online community NPS users in Ger[...]

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Sharing, group-buying, social supply, offline and online dealers: How users in a sample from six European countries procure New Psychoactive Substances (NPS)

B. WERSE ; A. BENSCHOP ; G. KAMPHAUSEN ; M. C. VAN HOUT ; S. HENRIQUES ; J. P. SILVA ; K. DABROWSKA ; L. WIECZOREK ; M. BUJALSKI ; K. FELVINCZI ; D. KORF | 2019
Dans International Journal of Mental Health and Addiction (Vol.17, n°5, October 2019) Article : Périodique

Given the multiple ways of regulations and market situations for new psychoactive substances (NPS), it is of interest how NPS users procure their drugs in different countries as well as in different user groups. Data comes from a face-to-face an[...]

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The transparency paradox. Building trust, resolving disputes and optimising logistics on conventional and online drugs markets

M. TZANETAKIS ; G. KAMPHAUSEN ; B. WERSE ; R. VON LAUFENBERG | 2016
Dans International Journal of Drug Policy (Vol.35, September 2016) Article : Périodique

Background: In recent years, marketplaces in the darknet emerged where vendors and customers can exchange illicit drugs and other goods on digital platforms by using hidden internet services. The main thesis of this paper is that in an online en[...]

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Why do people use new psychoactive substances? Development of a new measurement tool in six European countries

A. BENSCHOP ; R. URBAN ; M. KAPITANY-FOVENY ; M. C. VAN HOUT ; K. DABROWSKA ; K. FELVINCZI ; E. HEARNE ; S. HENRIQUES ; Z. KALO ; G. KAMPHAUSEN ; J. P. SILVA ; L. WIECZOREK ; B. WERSE ; M. BUJALSKI ; D. KORF ; Z. DEMETROVICS | 2020
Dans Journal of Psychopharmacology (Vol.34, n°6, June 2020) Article : Périodique

INTRODUCTION: New psychoactive substances (NPS) pose a public health threat. Many studies have tried to identify the reasons of NPS use; however, none of them have so far used any standardised measures. The aim of this study was (i) to develop a[...]

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