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Credit
Zur Theorie der Nerventhätigkeit. : akademischer vortrag gehalten am 21, Mai 1898. / von Ewald Hering., Professor der physiologie an der Universität Leipzig. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by The Royal College of Surgeons of England. The original may be consulted at The Royal College of Surgeons of England.