PT - JOURNAL ARTICLE AU - Lichtlen, Paul R. TI - Natural history of coronary artery disease based on coronary angiography DP - 1978 Mar 20 TA - Cleveland Clinic Journal of Medicine PG - 153--155 VI - 45 IP - 1 4099 - http://www.ccjm.org/content/45/1/153.short 4100 - http://www.ccjm.org/content/45/1/153.full SO - Cleve Clin J Med1978 Mar 20; 45