Abstract :
[en] Poisoning due to sneezing powders made it necessary to control commercialized samples to detect possible presence of toxic products such as poisonous plants ( Veratrum sp., Helleborus viridis, Quillaja sp....) or synthetic chemicals (benzidine, dianisidine, o-nitrobenzaldehyde). The authors give a summary of analytical and toxicological data. results of experiments on samples collected in belgium are also provided.
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