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This investigation was supported by U.S. Public Health Service Research Grant No. ES-00016 from the Office of Research Development, Bureau of State Services.
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Ragab, M.T.H. 4-(p-Nitrobenzyl)Pyridine as a spray reagent for organophosphorus pesticides and some of their breakdown products on thin-layer chromatograms. Bull. Environ. Contam. Toxicol. 2, 279–288 (1967). https://doi.org/10.1007/BF01684375
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DOI: https://doi.org/10.1007/BF01684375