Characteristics and Risk Factors Associated With Mortality in a Multicenter Spanish Cohort of Patients With COVID-19 Pneumonia José Ramón Muñoz-Rodríguez; Francisco Javier Gómez-Romero; José Manuel Pérez-Ortiz; Pilar López-Juárez; Juan Luis Santiago; Leticia Serrano-Oviedo; Francisco Javier Redondo-Calvo;

Validation of IDSA/ATS Guidelines for ICU Admission in Adults Over 80 Years Old With Community-Acquired Pneumonia Catia Cilloniz; Miquel Ferrer; Juan M. Pericàs; Leyre Serrano; Raúl Méndez; Albert Gabarrús; Héctor José Peroni; Luis Alberto Ruiz; Rosario Menéndez; Rafael Zalacain; Antoni Torres;

Sex-specific Difference for Small Cell Lung Cancer from Immunotherapy Advancement You Mo; Yiwei Qin; Jian Shangguan; Duncan Wei; Meng Wu; Dawei Chen; Jinming Yu;