Sayadi, Nushin, Saghar Azarpisheh, and Nasrin Gohari. 2018. “Determining the Quality of Life in the Elderly With High Frequency Hearing Loss before and After Hearing Aid Fitting”. Auditory and Vestibular Research 27 (2), 111-15. https://avr.tums.ac.ir/index.php/avr/article/view/681.