. . "søvn" . . "Physiology." . . "Psychophysiology." . . "Nervous System." . . "Sleep." . . "Hypnosis." . . "hypnose" . . . . "Essays in psychology and psychiatry : including a section on sleep and hypnosis" . . . "Essays in psychology & psychiatry : including a section on sleep and hypnosis" . "Essays in psychology and psychiatry"@en . . . . . . . . . . . "Essays in psychology & psychiatry : includ. a section on sleep and hypnosis" . . . . . "Essays in psychology and psychiatry including a section on sleep and hypnosis" . . "Essays in psychology & psychiatry, including a section on sleep and hypnosis" . . . .