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QUANTITATIVE HISTOCHEMICAL STUDIES OF FORMALDEHYDE‐INDUCED PARENCHYMAL FLUORESCENCE FOLLOWING L‐DOPA ADMINISTRATION

A microfluorimetric method is described for quantitative histochemical study of diffuse formaldehyde‐induced fluorescence in the neuropil of various brain regions and was used to investigate the effects of L‐DOPA in the rat and cat. Regional and species differences in the effects of L‐DOPA on the CNS are reported and discussed.