Screening and quantitative determination of drugs of abuse in diluted urine by UPLC–MS/MS von Hegstad, Solfrid, Hermansson, Sigurd, Betnér, Ingvar, Spigset, Olav, Falch, Berit Margrethe Hasle

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Association between low body weight and cytochrome P‐450 enzyme activity in patients with anorexia nervosa von Sandvik, Pål, Lydersen, Stian, Hegstad, Solfrid, Spigset, Olav

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Determination of psychoactive drugs in serum using conductive vial electromembrane extraction combined with UHPLC-MS/MS von Skaalvik, Tonje Gottenberg, Øiestad, Elisabeth Leere, Trones, Roger, Pedersen-Bjergaard, Stig, Hegstad, Solfrid

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Serum Concentrations and Pharmacokinetics of Tranexamic Acid after Two Means of Topical Administration in Massive Weight Loss Skin-Reducing Surgery von Ausen, Kjersti, Pleym, Hilde, Liu, Jiayin, Hegstad, Solfrid, Nordgård, Håvard Bersås, Pavlovic, Ivan, Spigset, Olav

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Conductive vial electromembrane extraction of opioids from oral fluid von Skaalvik, Tonje Gottenberg, Zhou, Chen, Øiestad, Elisabeth Leere, Hegstad, Solfrid, Trones, Roger, Pedersen-Bjergaard, Stig

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Enantiomeric separation and quantification of R/S‐amphetamine in serum using semi‐automated liquid‐liquid extraction and ultra‐high performance supercritical fluid chromatography‐t... von Havnen, Hilde, Hansen, Miriam, Spigset, Olav, Hegstad, Solfrid

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Quantitative determination of R/S‐methadone in human serum using ultra‐high performance supercritical fluid chromatography‐tandem mass spectrometry: A method for routine use von Hansen, Miriam, Havnen, Hilde, Andreassen, Trine Naalsund, Spigset, Olav, Hegstad, Solfrid

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Determination of amphetamine enantiomers in urine by conductive vial electromembrane extraction and ultra‐high performance supercritical fluid chromatography tandem mass spectromet... von Skaalvik, Tonje Gottenberg, Øiestad, Elisabeth Leere, Pedersen‐Bjergaard, Stig, Hegstad, Solfrid

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Enantiomeric separation and quantification of citalopram in serum by ultra-high performance supercritical fluid chromatography-tandem mass spectrometry von Hegstad, Solfrid, Havnen, Hilde, Helland, Arne, Falch, Berit Margrethe Hasle, Spigset, Olav

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Quantification of 21 antihypertensive drugs in serum using UHPLC-MS/MS von Gundersen, Per Ole M., Helland, Arne, Spigset, Olav, Hegstad, Solfrid

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EtG/EtS in Serum by UHPLC–MS-MS in Suspected Sexual Assault Cases von Hegstad, Solfrid, Helland, Arne, Hagemann, Cecilie, Spigset, Olav

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EtG and EtS in autopsy blood samples with and without putrefaction using UPLC-MS-MS von Hegstad, Solfrid, Kristoffersen, Lena, Liane, Veronica Horpestad, Spigset, Olav

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EtG and EtS in Autopsy Blood Samples With and Without Putrefaction Using UPLC-MS-MS von Hegstad, Solfrid, Kristoffersen, Lena, Liane, Veronica H, Spigset, Olav

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Detection Times of Carboxylic Acid Metabolites of the Synthetic Cannabinoids JWH-018 and JWH-073 in Human Urine von Hegstad, Solfrid, Westin, Andreas A., Spigset, Olav

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Naltrexone implants after in-patient treatment for opioid dependence: randomised controlled trial von Kun⊘e, Nikolaj, Lobmaier, Philipp, Vederhus, John Kåre, Hjerkinn, Bj⊘rg, Hegstad, Solfrid, Gossop, Michael, Kristensen, Øistein, Waal, Helge

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EtG/EtS in Urine from Sexual Assault Victims Determined by UPLC-MS-MS von Hegstad, Solfrid, Helland, Arne, Hagemann, Cecilie, Michelsen, Lisbeth, Spigset, Olav

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A Validated Method for Simultaneous Determination of Codeine, Codeine-6-Glucuronide, Norcodeine, Morphine, Morphine-3-Glucuronide and Morphine-6-Glucuronide in Post-Mortem Blood, V... von Frost, Joachim, Løkken, Trine N., Brede, Wenche R., Hegstad, Solfrid, Nordrum, Ivar S., Slørdal, Lars

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Challenges to antagonist blockade during sustained-release naltrexone treatment von Kunøe, Nikolaj, Lobmaier, Philipp, Vederhus, John Kåre, Hjerkinn, Bjørg, Gossop, Michael, Hegstad, Solfrid, Kristensen, Øistein, Waal, Helge

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Retention in naltrexone implant treatment for opioid dependence von Kunøe, Nikolaj, Lobmaier, Philipp, Vederhus, John Kåre, Hjerkinn, Bjørg, Hegstad, Solfrid, Gossop, Michael, Kristensen, Øistein, Waal, Helge

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Naltrexone implants after in-patient treatment for opioiddependence: randomised controlled trial von Nikolaj Kun⊘e, Lobmaier, Philipp, Vederhus, John Kåre, Bj⊘rg Hjerkinn, Hegstad, Solfrid, Gossop, Michael, Kristensen, Øistein, Waal, Helge

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