PT - JOURNAL ARTICLE AU - Joachim S. Gravenstein TI - Noninvasive monitoring in the patient with heart disease DP - 1981 Mar 20 TA - Cleveland Clinic Journal of Medicine PG - 37--43 VI - 48 IP - 1 4099 - http://www.ccjm.org/content/48/1/37.short 4100 - http://www.ccjm.org/content/48/1/37.full SO - Cleve Clin J Med1981 Mar 20; 48