Hospital Mortality and Effect of Adjusting PaO2/FiO2 According to Altitude Above the Sea Level in Acclimatized Patients Undergoing Invasive Mechanical Ventilation. A Multicenter Study Manuel Jibaja; Guillermo Ortiz-Ruiz; Fernanda García; Manuel Garay-Fernández; Felipe de Jesús Montelongo; Jorge Martinez; José Antonio Viruez; Orville Baez-Pravia; Santiago Salazar; Francisco Villacorta-Cordova; Freddy Morales; Amilcar Tinoco-Solórzano; Carlos Ibañez Guzmán; Bruno Valle Pinheiro; Felix Zubia-Olaskoaga; Carmelo Dueñas; Antonio Lara Garcia; Pablo Cardinal-Fernández;

Effect of the Early Combination of Continuous Positive Airway Pressure and High-Flow Nasal Cannula on Mortality and Intubation Rates in Patients With COVID-19 and Acute Respiratory Distress Syndrome. The DUOCOVID Study Jose Rafael Teran-Tinedo; Jesus Gonzalez-Rubio; Alberto Najera; Miguel Lorente-Gonzalez; Eduardo Cano-Sanz; Isabel De La Calle-Gil; Maria Ángeles Ortega-Fraile; Daniel Carballo-López; Joaquín Hernández-Nuñez; Maria Churruca-Arróspide; Annette Zevallos-Villegas; Daniel López-Padilla; Luis Puente-Maestú; Juan D. Navarro-Lopez; Lydia Jimenez-Diaz; Pedro Landete;

Comparing Spirometric Reference Values From Childhood to Old Age Estimated by LMS and Linear Regression Models David Martínez-Briseño; Laura Gochicoa-Rangel; Luis Torre-Bouscoulet; Silvia Cid-Juárez; Rosario Fernández-Plata; Luisa Martínez-Valdeavellano; Sofía Chapela-Lara; Rodrigo del Río-Hidalgo; Rogelio Pérez-Padilla;