High serum nitrates levels in non-survivor COVID-19 patients L. Lorente; F. Gómez-Bernal; M.M. Martín; J.A. Navarro-Gonzálvez; M. Argueso; A. Perez; L. Ramos-Gómez; J. Solé-Violán; J.A. Marcos y Ramos; N. Ojeda; A. Jiménez;

Association between lactate-to-albumin ratio and all-cause mortality in cirrhosis patients: Analysis of the MIMIC-IV database Yusong Ye; Shu Huang; Xiaohong Wang; Wensen Ren; Xiaomin Shi; Sha Liu; Wei Zhang; Lei Shi; Muhan Lü; Xiaowei Tang;

Validity of the FRAIL-España scale for critically ill patients Susana Arias-Rivera; Fernando Frutos-Vivar; María Nieves Moro-Tejedor; María Mar Sánchez-Sánchez; Emilia Romero-de San Pío; Yeray Gabriel Santana-Padilla; Gemma Via-Clavero; María del Rosario Villar-Redondo; María Jesús Frade-Mera; Mónica Juncos-Gozalo; Elisabet Gallart-Vivé; Marta Raurell-Torredà;