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the ear on which operation was done. Some patients can hear whispers at ten to thirty feet. The hearing in all cases has been markedly improved over that before the operation. Whether it will continue is a question. The meato-mastoid operation is different, as I understand, from Professor Jansen's operation. In the meato-mastoid operation he does not remove the outer wall of the attic. Prof. A. Jansen: In my modified oparation 1 remove thedoi:10.1001/jama.1908.25410130026002c fatcat:vuleiqz6mjgqdpygnljrucjbi4