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Surgery of Facial Nerve made a long leap forward when Cawthorne in 1938 introduced operating microscope, for these operations, a method now used universally.1 Pietersen (1982) studied the natural history of Bell’s Palsy in more than 1000 patients, found that in 84% recovery was satisfactory, 71% recovered without sequelae, 13% had deficits ... ................
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