Anti-Xa activity below range is related to thrombosis in patients with severe COVID-19 Pilar Marcos-Neira; Cristian Morales-Indiano; Mariana Fernández-Caballero; Teresa Tomasa-Irriguible; Luisa Bordejé-Laguna; Víctor Ruíz-Artola;

Frailty in severe COVID-19 survivors after ICU admission. A prospective and multicenter study in Mexico Oscar Peñuelas; Manuel Lomelí; Laura del Campo-Albendea; Sara I. Toledo; Alfredo Arellano; Uriel Chavarría; Maria Carmen Marín; Karina Rosas; María Alacíen Galván Merlos; Roberto Mercado; Héctor R. García-Lerma; Enrique Monares; Daira González; Juan Pérez; Andrés Esteban-Fernández; Alfonso Muriel; Fernando Frutos-Vivar; Andrés Esteban;

Association of dead space fraction to mortality in patients with COVID-19-related ARDS: A historical cohort observational study Carlos Carvajal; Nelson Darío Giraldo Ramirez; Andrés David De La Hoz Castro; Carlos Guillermo Vidal Vargas; Hemel Antonio Pacheco; David Fernández Sánchez; Laura Vannesa González Salazar; Silvia Stella Romero Otta; Silvia Vergara Jaimes; Juan Fernando Bolivar Ospina; Juliana Correa Céspedes; Alejandro Narvaez Orozco; Jorge Hernando Donado; Carlos Alberto Cadavid; Gisela De La Rosa;