Risk factors associated with mortality among elderly patients with COVID-19: Data from 55 intensive care units in Spain C. Cilloniz; A. Motos; J.M. Pericàs; T.G. Castañeda; A. Gabarrús; R. Ferrer; D. García-Gasulla; O. Peñuelas; D. de Gonzalo-Calvo; L. Fernandez-Barat; F. Barbé; A. Torres;

Hospitalization direct cost of adults with community-acquired pneumonia in Portugal from 2000 to 2009 C. Antunes; M. Pereira; L. Rodrigues; D. Organista; A. Cysneiros; F. Paula; B. Nunes; P. Barbosa; C. Bárbara; A. Escoval; A. Diniz; F. Froes;