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2. Neurophysiological mechanisms in arousal;Brener,1960
3. Existence of the mutual tonic inhibitory interaction between the preoptic hypnogenic structure and the midbrain reticular formation;Bremer;Brain Res.,1975
4. Effects of serotonin and xylocaine upon evoked responses established in neural feedback circuits associated with sleep-waking process;Bronzino;Biol. Psychol.,1971
5. Auditory and aversion thresholds of rats for bands of noise;Campbell;Science,1957