ISBN-13: 9783659780288 / Angielski / Miękka / 2018 / 76 str.
Hearing impairment is one of the common problems in Bangladesh and pure tone audiometry is an essential diagnostic tool to identify the type and degree of hearing loss as well as other aspect of hearing impairment. However in Bangladesh no such study on pure tone audiometry was done to identity the type and degree of hearing loss as well as other aspect of hearing impairment among the patients those whom complaint hearing loss.