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Credit
Beiträge zur Laryngoskopie : ueber Neubildungen, namentlich Polypen des Kehlkopfs : Vortrag gehalten in der Berliner medicinischen Gesellschaft am 4. Decbr. 1861 / von Georg Lewin. 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.