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Credit
Over spraakgeluiden : rede uitgesproken bij de aanvaarding van het Hoogleeraarsambt in de Physiologie aan de Rijks-Universiteit te Utrecht, den 24 September 1897 / Door Dr. H Zwaaredemaker Cz. 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.