... his operations on the brains of unanesthetized patients he is able to explore the entire brain freely and without pain. From my own experience I am able to confirm Dr. Frazier's observation. In addition, the two-stage operation for the excision of the Gasserian ganglion provides an observation of extraordinary interest. If at the first seance the ganglion is exposed, but is not disturbed except by the iodoform gauze packing, then on the following day the gauze may be removed, the ganglion picked up, and its branches and root ... — The Origin and Nature of Emotions • George W. Crile
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