Radtke, H L Effects of electromyographic feedback and progressive relaxation training on hypnotic susceptibility: disconfirming results. [electronic resource] - The International journal of clinical and experimental hypnosis Apr 1983 - 98-106 p. digital Publication Type: Journal Article ISSN: 0020-7144 Standard No.: 10.1080/00207148308406597 doi Subjects--Topical Terms: Biofeedback, PsychologyElectromyographyHumansHypnosis--methodsMuscle RelaxationPrognosisRelaxation Therapy