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Introduction:-Middle ear surgery is usually performed with an operating microscope. Surgical eradication of cholesteatoma involves canal wall down or intact canal wall techniques. One of the… (More)
Background Chewing of betel quid (BQ) and areca nut is an ancient custom in South East Asia. More than 600,000,000 people chew areca nut worldwide. In India there are 75,000 to 80,000 cases of oral… (More)