A report of further impedance studies of the acoustic reflex.
D000162:Acoustics; D000368:Aged; D004429:Ear Ossicles / Q000601:surgery; D005158:Facial Paralysis; D006309:Hearing; D006801:Humans; D008297:Male; D009119:Muscle Contraction; D009622:Noise; D010040:Otosclerosis; D013719:Tensor Tympani / Q000502:physiology; D014432:Tympanic Membrane / Q000502:physiology*