Geographical mapping of road traffic injuries in Lilongwe, Malawi
Sundet, Mads, Mulima, Gift, Kajombo, Chifundo, Gjerde, Hallvard, Christophersen, Asbjørg S., Madsen, Jan Erik, Young, Sven
Published in Injury (01.04.2021)
Published in Injury (01.04.2021)
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Journal Article
Determination of opiates and cocaine in urine by high pH mobile phase reversed phase UPLC–MS/MS
Berg, Thomas, Lundanes, Elsa, Christophersen, Asbjørg S., Strand, Dag Helge
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01.02.2009)
Published in Journal of chromatography. B, Analytical technologies in the biomedical and life sciences (01.02.2009)
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Journal Article
Relationship between oral fluid and blood concentrations of drugs of abuse in drivers suspected of driving under the influence of drugs
Wille, Sarah M R, Raes, Elke, Lillsunde, Pirjo, Gunnar, Teemu, Laloup, Marleen, Samyn, Nele, Christophersen, Asbjørg S, Moeller, Manfred R, Hammer, Karin P, Verstraete, Alain G
Published in Therapeutic drug monitoring (01.08.2009)
Published in Therapeutic drug monitoring (01.08.2009)
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Journal Article
A pharmacokinetic study of ethyl glucuronide in blood and urine: Applications to forensic toxicology
Høiseth, Gudrun, Bernard, Jean Paul, Karinen, Ritva, Johnsen, Lene, Helander, Anders, Christophersen, Asbjørg S, Mørland, Jørg
Published in Forensic science international (25.10.2007)
Published in Forensic science international (25.10.2007)
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Journal Article
Morphine to codeine concentration ratio in blood and urine as a marker of illicit heroin use in forensic autopsy samples
Konstantinova, Svetlana V, Normann, Per T, Arnestad, Marianne, Karinen, Ritva, Christophersen, Asbjørg S, Mørland, Jørg
Published in Forensic science international (10.04.2012)
Published in Forensic science international (10.04.2012)
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Journal Article
The implementation of per-se limits for driving under the influence of benzodiazepines and related drugs: No increased risk for arrest during therapeutic use in Norway
Christophersen, Asbjørg S., Karinen, Ritva, Mørland, Jørg, Gjerde, Hallvard
Published in Traffic injury prevention (2020)
Published in Traffic injury prevention (2020)
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Journal Article
Determination of a selection of anti-epileptic drugs and two active metabolites in whole blood by reversed phase UPLC-MS/MS and some examples of application of the method in forensic toxicology cases
Karinen, Ritva, Vindenes, Vigdis, Hasvold, Inger, Olsen, Kirsten Midtbøen, Christophersen, Asbjørg S, Øiestad, Elisabeth
Published in Drug testing and analysis (01.07.2015)
Published in Drug testing and analysis (01.07.2015)
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Journal Article
Prevalence of alcohol use among road traffic crash victims presenting to a Malawian Central Hospital: A cross-sectional study
Sundet, Mads, Kajombo, Chifundo, Mulima, Gift, Bogstrand, Stig Tore, Varela, Carlos, Young, Sven, Christophersen, Asbjørg S., Gjerde, Hallvard
Published in Traffic injury prevention (2020)
Published in Traffic injury prevention (2020)
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Journal Article
Adult pedestrian and cyclist injuries in Lilongwe, Malawi: a cross-sectional study
Sundet, Mads, Gift Mulima, Kajombo, Chifundo, Gjerde, Hallvard, Christophersen, Asbjørg S, Young, Sven
Published in Malawi medical journal (01.12.2020)
Published in Malawi medical journal (01.12.2020)
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Journal Article
Prevalence of alcohol and drugs among Norwegian motor vehicle drivers: A roadside survey
Gjerde, Hallvard, Normann, Per T., Pettersen, Bjørg S., Assum, Terje, Aldrin, Magne, Johansen, Unni, Kristoffersen, Lena, Øiestad, Elisabeth L., Christophersen, Asbjørg S., Mørland, Jørg
Published in Accident analysis and prevention (01.09.2008)
Published in Accident analysis and prevention (01.09.2008)
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Journal Article
Detection time for THC in oral fluid after frequent cannabis smoking
Andås, Hilde T, Krabseth, Hege-Merete, Enger, Asle, Marcussen, Bjarne N, Haneborg, An-Magritt, Christophersen, Asbjørg S, Vindenes, Vigdis, Øiestad, Elisabeth L
Published in Therapeutic drug monitoring (01.12.2014)
Published in Therapeutic drug monitoring (01.12.2014)
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Journal Article
Determination of Heroin and Its Main Metabolites in Small Sample Volumes of Whole Blood and Brain Tissue by Reversed-Phase Liquid Chromatography-Tandem Mass Spectrometry
Karinen, Ritva, Andersen, Jannike Mørch, Ripel, Åse, Hasvold, Inger, Hopen, Anita Braute, Mørland, Jørg, Christophersen, Asbjørg S.
Published in Journal of analytical toxicology (01.09.2009)
Published in Journal of analytical toxicology (01.09.2009)
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Journal Article
Use of alcohol and drugs by employees in selected business areas in Norway: a study using oral fluid testing and questionnaires
Edvardsen, Hilde Marie Erøy, Moan, Inger Synnøve, Christophersen, Asbjørg S, Gjerde, Hallvard
Published in Journal of occupational medicine and toxicology (London, England) (16.12.2015)
Published in Journal of occupational medicine and toxicology (London, England) (16.12.2015)
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Journal Article
Screening of synthetic cannabinoids in preserved oral fluid by UPLC-MS/MS
Oiestad, Elisabeth L, Johansen, Unni, Christophersen, Asbjørg S, Karinen, Ritva
Published in Bioanalysis (01.09.2013)
Published in Bioanalysis (01.09.2013)
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Journal Article