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Credit
Handbuch der Ernährungstherapie und Diätetik / unter Mitwirkung von Prof. Dr. Biedert [and others] ; herausgegeben von E. von Leyden. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.