ECHLIN, F A Paroxysmal high-voltage and rhythmic low-voltage discharges from isolated and partially isolated human cortex. [electronic resource] - A.M.A. archives of neurology and psychiatry May 1952 - 692-3 p. digital Publication Type: Journal Article ISSN: 0096-6886 Subjects--Topical Terms: Cerebral Cortex--physiologyPeriodicity