Intraoperative exposure with the frontal lobe retracted, 1915. From Dr. George J. Heuer: Arch Surg 1
Intraoperative exposure with the frontal lobe retracted, 1915. From Dr. George J. Heuer: Arch Surg 1:368–381, 1920 (American Medical Association). Drawn by Max Brödel at the operation. -- source link
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