Just published: the latest in our series of papers on drug web surveys,
'Quantitative and qualitative assessments of data quality within the European Web Survey on Drugs'
https://www.emcdda.europa.eu/publications/insights/quantitative-and-qualitative-assessments-data-quality-within-european-web-survey-drugs_en

🐦🔗: https://n.respublicae.eu/EMCDDA/status/1602656257382531072