TAGARAKIS, G.; DIKEOS, C.; TSILIMINGAS, N.; POLYZOS, N. REEVALUATION OF THE DIAGNOSIS RELATED GROUPS SYSTEM IN GREECE: THE EXAMPLE OF CORONARY ARTERY BYPASS GRAFT PROCEDURE. JOURNAL OF SOCIAL SCIENCE RESEARCH, v. 10, n. 3, p. 2163-2167, 24 ago. 2016.