Poor correlation between alcohol concentration in oral fluid and breath in subjects consuming beverages immediately before testing

por Gjerde, Hallvard, Bretteville-Jensen, Anne Line, Furuhaugen, Håvard
Publicado 2021

Use of alcohol and drugs by employees in selected business areas in Norway: a study using oral fluid testing and questionnaires

por Edvardsen, Hilde Marie Erøy, Moan, Inger Synnøve, Christophersen, Asbjørg S., Gjerde, Hallvard
Publicado 2015

Association between alcohol and drug use and arrest for driving under the influence after crash involvement in a rural area of Norway: a case–control study

por Jamt, Ragnhild Elén Gjulem, Gjerde, Hallvard, Romeo, Giovanni, Bogstrand, Stig Tore
Publicado 2019

Alcohol, psychoactive substances and non-fatal road traffic accidents - a case-control study

por Bogstrand, Stig Tore, Gjerde, Hallvard, Normann, Per Trygve, Rossow, Ingeborg, Ekeberg, Øivind
Publicado 2012

Adult pedestrian and cyclist injuries in Lilongwe, Malawi: a cross-sectional study

por Sundet, Mads, Mulima, Gift, Kajombo, Chifundo, Gjerde, Hallvard, Christophersen, Asbjørg S, Young, Sven
Publicado 2020

A clinical trial on the acute effects of methadone and buprenorphine on actual driving and cognitive function of healthy volunteers

por Strand, Maren Cecilie, Vindenes, Vigdis, Gjerde, Hallvard, Mørland, Jørg Gustav, Ramaekers, Johannes G.
Publicado 2018

Use of alcohol and drugs by Norwegian employees: a pilot study using questionnaires and analysis of oral fluid

por Gjerde, Hallvard, Christophersen, Asbjørg S, Moan, Inger S, Yttredal, Borghild, Walsh, J Michael, Normann, Per T, Mørland, Jørg
Publicado 2010

Use of alcohol and drugs among health professionals in Norway: a study using data from questionnaires and samples of oral fluid

por Edvardsen, Hilde Marie Erøy, Karinen, Ritva, Moan, Inger Synnøve, Øiestad, Elisabeth Leere, Christophersen, Asbjørg Solberg, Gjerde, Hallvard
Publicado 2014

Associations between psychoactive substance use and sensation seeking behavior among drivers in Norway

por Jamt, Ragnhild E. G., Gjerde, Hallvard, Furuhaugen, Håvard, Romeo, Giovanni, Vindenes, Vigdis, Ramaekers, Jan G., Bogstrand, Stig T.
Publicado 2020

Estimation of cocaine consumption in the community: a critical comparison of the results from three complimentary techniques

por Reid, Malcolm J, Langford, Katherine H, Grung, Merete, Gjerde, Hallvard, Amundsen, Ellen J, Morland, Jorg, Thomas, Kevin V
Publicado 2012

Which illicit drugs are injected in Oslo? A study based on analysis of drug residues in used injection equipment and self-reported information

por Gjerde, Hallvard, Bretteville-Jensen, Anne Line, Bache-Andreassen, Lihn, Hanoa, Kristin, Furuhaugen, Håvard, Brochmann, Gerd-Wenche, Vindenes, Vigdis
Publicado 2021