If the Eustachian tube is blocked or does not open properly, air cannot get into or escape from the middle ear resulting in unequal pressure either side of the eardrum. http://j.mp/2V5KlBv #earwaxremovallondon
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If the Eustachian tube is blocked or does not open properly, air cannot get into or escape from the middle ear resulting in unequal pressure either side of the eardrum. http://j.mp/2V5KlBv #earwaxremovallondon
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