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An experimental inquiry into the laws of the vital functions, with some observations on the nature and treatment of internal diseases ... In part re-published ... from the Philosophical Transactions of 1815 and 1817, with the Report of the Institute of France on the experiments of M. Le Gallois [by F.H.A. von Humboldt, J.N. Hallé and P.F. Percy] And observations on that report / [Alexander Philip Wilson Philip]. Public Domain Mark. Source: Wellcome Collection.