of nasal polyp from 'Principles of Surgery' by John Bell,1801. Read more at https://t.co/kDVqCVePZG

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Painful looking gangrene of the lateral thigh from 'Principles of Surgery' by John Bell, 1801.

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Cadaver with a brain abscess & a skull with necrosis & evidence of trephining. By John Bell, 1801.

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