Lo, C R The self-control of the cardiovascular response to exercise using feedback of the product of interbeat interval and pulse transit time. [electronic resource] - Psychosomatic medicine - 115-25 p. digital Publication Type: Journal Article ISSN: 0033-3174 Standard No.: 10.1097/00006842-198403000-00004 doi Subjects--Topical Terms: AdolescentAdultBiofeedback, PsychologyBlood PressureHeart RateHumansPhysical ExertionPulseRelaxation TherapyRespiration