دانلود کتاب تمرینات ورزشی در پزشکی

Imagine not being able to hear silence . . . ever. That means no quiet enjoyment or getting away from it all. That’s a reality for 30 to 60 million Americans suffering from tinnitus.
Tinnitus is the phantom auditory sensation of sound such as ringing, hissing, or buzzing in the absence of external auditory stimuli. The term tinnitus is researched more than 110,000 times every month.