Applicability of an unsupervised cluster model developed on first wave COVID-19 patients in second/third wave critically ill patients Alejandro Rodríguez; Josep Gómez; Álvaro Franquet; Sandra Trefler; Emili Díaz; Jordi Sole-Violán; Rafael Zaragoza; Elisabeth Papiol; Borja Suberviola; Montserrat Vallverdú; María Jimenez-Herrera; Antonio Albaya-Moreno; Alfonso Canabal Berlanga; María del Valle Ortíz; Juan Carlos Ballesteros; Lucía López Amor; Susana Sancho Chinesta; Maria de Alba-Aparicio; Angel Estella; Ignacio Martín-Loeches; María Bodi;

Obesity and the obesity paradox in patients with severe COVID-19 John Jaime Sprockel Díaz; Victoria Eugenia Coral Zuñiga; Eliana Angarita Gonzalez; Sebastián Camilo Tabares Rodríguez; María Paula Carrillo Ayerbe; Iván Santiago Acuña Cortes; Ruddy Paola Montoya Rumpf; Luis Oswaldo Martínez Arias; Jhon Edisson Parra; Juan José Diaztagle Fernández;

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;