this paper compares the prognostic value for survival without early elective surgery of eight different indices of the extent of coronary artery disease : the number of diseased vessels , two indices using the number of proximal arterial segments diseased , two empirically generated indices from the cass data , and the published indices of friesinger , gensini , and the national heart and chest hospital , london .
C0018799
of
C0817096
chest