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Giannella M, Pinilla B, Capdevila JA, Martínez Alarcón J, Muñoz P, López Álvarez J, Bouza E; Estudio de Neumonía En Medicina Interna study Group from the Sociedad Española de Medicina Interna.Giannella M, et al. Among authors: munoz p.Clin Microbiol Infect. 2012 Aug;18(8):786-94. doi: 10.1111/j.1469-0691.2011.03757.x. Epub 2012 Jan 27.Clin Microbiol Infect. 2012.PMID: 22284436Free article.