simple and sensitive methods for the separation and determination of catecholamines and their metabolites by thinlayer microcrystalline cellulose chromatography have been developed and applied to the analysis of norepinephrine ( ne ) and dopamine ( da ) metabolism in the brain of wistar rats given 12c-ne or 14c-da intraventricularly .
C0007412
catecholamines
C0013030
da