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Journal of Forensic and Legal Medicine|March 16, 2023
Nystagmus among suspected amphetamine impaired driversMaren Cecilie Strand, Hallvard Gjerde, Gudrun HøisethBiochemia Medica|December 27, 2021
Poor correlation between alcohol concentration in oral fluid and breath in subjects consuming beverages immediately before testingHallvard Gjerde, Anne Line Bretteville-Jensen, Håvard FuruhaugenJournal of Analytical Toxicology|September 9, 2010
The prevalence of alcohol and drugs in sampled oral fluid is related to sample volumeHallvard Gjerde, Per T Normann, Asbjørg S ChristophersenEuropean Addiction Research|April 22, 2015
Has Previous Abuse of Flunitrazepam Been Replaced by Clonazepam?Gudrun Høiseth, Gerrit Middelkoop, Jørg Mørland, et al.Journal of Analytical Toxicology|October 9, 2018
Detection of Drugs in Simultaneously Collected Samples of Oral Fluid and BloodEirin Bakke, Gudrun Høiseth, Marianne Arnestad, et al.Traffic Injury Prevention|April 28, 2017
Increasing use of cannabis among arrested drivers in NorwayAnja Valen, Stig Tore Bogstrand, Vigdis Vindenes, et al.Forensic Science International|September 25, 2017
Toxicological findings in suspected drug-impaired drivers in Norway - Trends during 1990-2015Anja Valen, Stig Tore Bogstrand, Vigdis Vindenes, et al.Journal of Analytical Toxicology|February 7, 2018
Evaluation of Dräger DrugTest 5000 in a Naturalistic SettingHallvard Gjerde, Grethe Brennhovd Clausen, Espen Andreassen, et al.Journal of Analytical Toxicology|January 24, 2014
Estimation of equivalent cutoff thresholds in blood and oral fluid for drug prevalence studiesHallvard Gjerde, Kaarina Langel, Donata Favretto, et al.Journal of Analytical Toxicology|March 26, 2016
Detection of Nitrobenzodiazepines and Their 7-Amino Metabolites in Oral FluidVigdis Vindenes, Dag Helge Strand, Paul Koksæter, et al.Pageof 8