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  • Title: [Discrepant results with immunohistochemical detection TDx/ADx?].
    Author: Franke M, Goenechea S, Heinbach F.
    Journal: Beitr Gerichtl Med; 1992; 50():105-9. PubMed ID: 1489309.
    Abstract:
    In the last 2 years we had some problems to confirm the thin-layer results (amphetamines, opiates, benzodiazepines, barbiturates and cocaine) with the immunoassay system TDx/ADx. Between January 1989 and December 1990 we did 883 screenings in urine samples (pre- and postmortal) and had 157 discrepancies (20%). In regard of the high level of discrepancies, we had to test the compatibility of TDx and ADx, their detection limits and compared the results with a second method, thin-layer chromatography. Determining the correlation coefficients to prove our results statistically, we found that both systems, TDx and ADx, work reproducible.
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