Reducing the toll of road traffic accidents

od Dunn, Christopher D R, Christophersen, Asbjørg S
Wydane 2003

Plasma concentrations during naltrexone implant treatment of opiate-dependent patients

od Olsen, Linda, Christophersen, Asbjørg S, Frogopsahl, Grete, Waal, Helge, Mørland, Jørg
Wydane 2004

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

od Edvardsen, Hilde Marie Erøy, Moan, Inger Synnøve, Christophersen, Asbjørg S., Gjerde, Hallvard
Wydane w J Occup Med Toxicol (2015)

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

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

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

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