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MANY workers are now engaged in studies on the substance or substances liberated at the nerve endings when sympathetic nerve fibres are stimulated. In some cases, it has been shown to be adrenaline, whereas in others results indicate that it may be noradrenaline. Recently, Bülbring and Burn1 showed that even splanchnic nerve stimulation (after evisceration and ligation of the renal vessels in spinal cats) can result in the liberation of varying proportions of lævo-nor-adrenaline with the adrenaline.

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  1. 1

    Bülbring, E., and Burn, J. H., Nature, 163, 363 (1949).

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WEST, G. Sympathin. Nature 163, 721 (1949) doi:10.1038/163721a0

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