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Credit
Der Catarrh des Recessus pharyngeus medius (Bursa pharyngea, Tornwaldt'sche Krankheit) : seine Bedeutung und vereinfachte chirurgische Behandlung / von R. Kafemann. Public Domain Mark. Source: Wellcome Collection.
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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.