| Hans-Günter Meyer-Thompson | Substitution in Haft
Europa. EMCDDA: European Questionnaire on Drug Use among Prisoners (EQDP) and Methodological guidelines
This is the final version of the questionnaire on drug use among prisoners at European level. The questionnaire is the results of several years of work in the field of drugs and prison, which has included the agreement on a methodological framework or monitoring drug and prison in Europe, the analysis of existing questionnaires and a discussion among high level experts from several European countries and international organizations. (EMCDDA, Lissabon, Mai 2017)