Nutpinong Wijayaporn. (1989) Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects. Mahidol University,:ม.ป.ท.Nutpinong Wijayaporn. 1989. Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects. ม.ป.ท.:Mahidol University,;Nutpinong Wijayaporn. Auditory brainstem response : a comparative study of ipsilateral and contralateral recordings in normal and unilateral bearing loss subjects. ม.ป.ท.:Mahidol University, 1989. Print.