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Credit
Die Nährsalze und die Molke : Vortrag gehalten in der Versammlung der Balneologen zu Berlin am 5. März 1881 / von Georg v. Liebig. 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.