Sungho Cho, Eunyee Kwak, Sangyeop Kwak and Jaime Lopez | Neurology April 6, 2015, vol.84, no.14, Supplement S26.006 | Stanford University study published in American Academy of Neurology
Effect of Threshold Sound Conditioning on Pure-Tone Hearing Thresholds in Human Subjects with Sensorineural Hearing Loss
Sangyeop Kwak, Yeeun Kang, and Eunyee Kwak | Association for Research in Otolaryngology, 2013, vol.36, p.332~324, no.414
Ameliorative Effect of 1/3 Octave Sound Stimulation on Pure-Tone Hearing Thresholds in the People with Sensorineural Hearing Loss
Sangyeop Kwak, Eunyee Kwak, and Seong-Kyun Mun | Association for Research in Otolaryngology 2012, vol.35, p.299, no.856