• openAccess   Drug use by music festival attendees: A novel triangulation approach using self-reported data and test results of oral fluid and pooled urine samples 

      Gjerde, Hallvard; Gjersing, Linn; Baz Lomba, Jose Antonio; Bijlsma, Lubertus; Salgueiro-González, Noelia; Furuhaugen, Havard; Bretteville-Jensen, Anne LIne; Hernandez, Felix; Castiglioni, Sara; Amundsen, Ellen Johanna; Zuccato, Ettore Taylor & Francis (2019)
      Background: Self-reported data are commonly used when investigating illicit substance use. However, self-reports have well-known limitations such as limited recall and socially desirable responding. Mislabeling or ...
    • openAccess   Monitoring psychoactive substance use at six European festivals through wastewater and pooled urine analysis 

      Bijlsma, Lubertus; Celma, Alberto; Castiglioni, Sara; Salgueiro-González, Noelia; Bou Iserte, Lledó; Baz Lomba, Jose Antonio; Reid, Malcolm; Dias, M.J.; Lopes, Alvaro; Matias, Joao Luis; Pastor Alcañiz, Laura; Radonic, J.; Turk Sekulic, M.; Shine, Trevor; van Nuijs, Alexander; Hernandez, Felix; Zuccato, Ettore Elsevier (2020-07-10)
      The consumption of psychoactive substances is considered a growing problem in many communities. Moreover, new psychoactive substances (NPS) designed as (legal) substitutes to traditional illicit drugs are relatively easily ...