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Comparison between diabetic and non-diabetic patients after successful percutaneous coronary intervention for chronic total occlusions in the drug-eluting stent era Juan Ruiz-Garcia, Rui Teles, José-Ramón Rumoroso, Henrique Cyrne Carvalho, Francisco Javier Goicolea, José Moreu, Josefa Mauri, Vicente Mainar, Eulogio García, Raul Moreno