RT Journal Article SR Electronic T1 Noninvasive monitoring in the patient with heart disease JF Cleveland Clinic Journal of Medicine JO Cleve Clin J Med FD Cleveland Clinic SP 37 OP 43 VO 48 IS 1 A1 Joachim S. Gravenstein YR 1981 UL http://www.ccjm.org/content/48/1/37.abstract AB