TONRIDORF, J. Acute cochlear disorders; the combination of hearing loss, recruitment, poor speech discrimination and tinnitus. Ann Otol Rhinol Laryngol. 1980, 89, 353-358
MARTIN, GK. Distortion product emissions in humans. III. Influence of sensorineural hearing loss. Annals Otol Rhinol Laryngol Suppl. 1990, 147, 30-42
PROBST, R. Distortion product otoacoustic emissions in normal and hearing impaired ears. Am J Otolaryngol. 1990, 11, 236-243