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Credit
Der anteil einfachster stoffe an den lebens-erscheinungen : Akademischer Vortrag gehalten am 31. Oktober 1913 in der aula der universität Bern. / von Leon Asher Professor der Physiologie. In copyright. 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.