delta 1 and delta f repetitive stimuli superimposed on continuous 0.5- , 1- and 4-khz carrier tones were administered to 20 normally hearing persons , 8 adults with sensorineural hearing loss , 10 adults with conductive hearing loss and 22 children subjected to evoked response audiometry ( era ) for assessment of hearing acuity .
C0027361
persons
C0008059
children