Tagarakis, Georgios, Costas Dikeos, Nikolaos Tsilimingas, and Nikolaos Polyzos. “REEVALUATION OF THE DIAGNOSIS RELATED GROUPS SYSTEM IN GREECE: THE EXAMPLE OF CORONARY ARTERY BYPASS GRAFT PROCEDURE”. JOURNAL OF SOCIAL SCIENCE RESEARCH 10, no. 3 (August 24, 2016): 2163–2167. Accessed April 24, 2024. https://rajpub.com/index.php/jssr/article/view/4689.