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Credit
Die Anwendung der Galvanokaustik im Innern des Kehlkopfes und Schlundkopfes : nebst einer kurzen Anleitung zur Laryngoskopie und Rhinoskopie / von Rudolph Voltolini. Public Domain Mark. Source: Wellcome Collection.
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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.