Sys Stybe Johansen

Psychedelic effects of psilocybin correlate with serotonin 2A receptor occupancy and plasma psilocin levels

M. Madsen, Patrick M. Fisher, Daniel Burmester et al. · Neuropsychopharmacology · 2019 · 467 citations · Full text

Plasma Psilocin Levels, Psychiatry, Behavioral Neuroscience +15

Distribution Patterns, Dermatomal Anesthesia, and Ropivacaine Serum Concentrations After Bilateral Dual Transversus Abdominis Plane Block

Jens Børglum, Kenneth B. Jensen, Anders Christensen et al. · Regional Anesthesia & Pain Medicine · 2012 · 164 citations

Simultaneous screening and quantification of 52 common pharmaceuticals and drugs of abuse in hair using UPLC–TOF-MS

Marie Katrine Klose Nielsen, Sys Stybe Johansen, Petur Weihe Dalsgaard et al. · Forensic Science International · 2010 · 155 citations

Drug Safety, Simultaneous Screening, Medicine +11

Psilocybin-induced changes in brain network integrity and segregation correlate with plasma psilocin level and psychedelic experience

M. Madsen, Dea Siggaard Stenbæk, Albin Arvidsson et al. · European Neuropsychopharmacology · 2021 · 122 citations · Full text

<i>In vitro</i> metabolism studies on mephedrone and analysis of forensic cases

Anders Just Pedersen, Lotte Ask Reitzel, Sys Stybe Johansen et al. · Drug Testing and Analysis · 2012 · 115 citations