we have studied auditory brain stem responses in a variety of neurological disorders and found them to be of assistance in evaluating the mechanisms of coma , the localization of midbrain and brain stem tumors , the localization of demyelination of the brain stem , and tumors , the localization of demyelination of the brain stem , and the presence of diminished brain stem circulation .
C0677866
brain stem tumors
C0006121
the