A simple apparatus for measuring hardness of Gelrite and agar plates, that can be easily fabricated, is described. It gives reproducible results comparable with those obtained with expensive commercial equipment. It has been successfully used to improve enumeration ofThiobacillus ferrooxidans andT. thiooxidans on solid media plates.
Background: Chronic Suppurative Otitis Media, patients suffer from hearing loss causing communication problems and social withdrawal. Objective: To assess the acoustic and speech perceptual evaluation of health related quality of life among adults with Chronic Suppurative Otitis Media.
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