Predictive value of oxidant and antioxidant status for contrast-induced nephropathy after percutaneous coronary intervention for ST-segment elevation myocardial infarction Fatih Aksoy; Hasan Ayd¿n Ba¿; Ali Ba¿c¿; Hasan Basri Sava¿;

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Patient and system delays in the treatment of acute coronary syndrome Marta Viana; Olga Laszczy¿ska; Carla Araújo; Andreia Borges; Vítor Barros; Ana Isabel Ribeiro; Paula Dias; Maria Júlia Maciel; Ilídio Moreira; Nuno Lunet; Ana Azevedo;