RT Journal Article SR Electronic T1 The problem of early mortality in pneumococcal pneumonia: a study of risk factors JF European Respiratory Journal JO Eur Respir J FD European Respiratory Society SP 561 OP 564 DO 10.1183/09031936.00034415 VO 46 IS 2 A1 Joaquín Burgos A1 Manel Luján A1 M. Nieves Larrosa A1 M. Luisa Pedro-Botet A1 Dionisia Fontanals A1 M. Dolores Quesada A1 Mayli Lung A1 Guadalupe Bermudo A1 Benito Almirante A1 Vicenç Falcó YR 2015 UL http://erj.ersjournals.com/content/46/2/561.abstract AB