Abstract
THE first report of the presence of DMPEA in the urine of schizophrenic patients1 was followed by other confirmatory2–4 and conflicting5–9 results. We have used different methods to give a better resolution of the substance. Recently a new technique for the isolation and identification of the pink spot was described10. This seems to be a specific method by which at least seven constituents of the pink spot (DMPEA being only a minor one) have been discovered.
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PREDESCU, V., FLORESCU, D. & RADULESCU, C. Pink Spot as a Diagnostic Test in Schizophrenia. Nature 217, 1150–1151 (1968). https://doi.org/10.1038/2171150a0
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DOI: https://doi.org/10.1038/2171150a0
