Long-term storage of authentic postmortem forensic blood samples at -20°C: measured concentrations of benzodiazepines, central stimulants, opioids and certain medicinal drugs before and after storage for 16-18 years.


The long-term stability of benzodiazepines, opioids, central stimulants and medicinal drugs in authentic postmortem blood samples was studied. All together, 73 samples were reanalyzed after storage at -20°C for 16-18 years. At reanalysis samples containing diazepam, nordiazepam and flunitrazepam demonstrated only small changes during long-term storage when… (More)
DOI: 10.1093/jat/bku080


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