García-Vázquez E, Marcos MA, Mensa J, de Roux A, Puig J, Font C, Francisco G, Torres A. Assessment of the usefulness of sputum culture for diagnosis of community-acquired pneumonia using the PORT predictive scoring system. Arch Intern Med. 2004 Sep 13;164(16):1807-11. PubMed PMID: 15364677.
AÑO: 2004; IF: 7.508