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900 Nov. 26, 1921] PYOCELf OF FRONTAL SINUS. / LTDICALJO 11 indeed rather worse. I then hesitated between advising suggestioni treatment anid injection of the Gasserian ganglion. He would not have the former, and, again against my better judgement, I injected him, this time through the foramen ovale, producing total and permanent fifth nerve anaesthesia. His eye anid corinea fortunately gave no trouble, but he was now even more complainilng of the pain, anid he therefore went to see a surgeondoi:10.1136/bmj.2.3178.900-a fatcat:l66rwx4nwjgwzkbkzfg3e6nibm