First day postoperative values of the neutrophil-to-lymphocyte ratio, platelet-to-lymphocyte ratio, and C-reactive protein as complication predictors following gastric oncologic surgery D. Ortiz-López; M.A. Acosta-Mérida; J.A. Casimiro-Pérez; J. Silvestre-Rodríguez; J. Marchena-Gómez;