1.
Vilaça C, Fidalgo C, Leite A, Oliveira N. Community acquired pneumonia and pneumonia severity index 20 (PSI-20): a retrospective study of the patients admitted to an internal medicine service, between 2007 and 2008. RPMI [Internet]. 2014 Jun. 30 [cited 2025 Jun. 6];21(2):53-60. Available from: https://revista.spmi.pt/index.php/rpmi/article/view/989