Experiments on the isolated mammalian heart to show the relation of the inorganic salts to the action of the accelerator and inhibitory nerves / by W.H. Howell and W.W. Duke.

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Experiments on the isolated mammalian heart to show the relation of the inorganic salts to the action of the accelerator and inhibitory nerves / by W.H. Howell and W.W. Duke. Public Domain Mark. Source: Wellcome Collection.