BOHTE, R. Aetiology of community-acquired pneumonia : A prospective study among adults requiring admission to hospital. Thorax. 1995, 50, 543-547
LIEBERMAN, D. Legionella species community-aquired pneumonia. A review of 56 hospitalized abult patients. Chest. 1996, 109, 1243-1249
OSTERGARD, L. Etiology of community-acquired pneumonia. Evaluation by transtracheal aspiration, blood culture, or serology. Chest. 1993, 104, 1400-1407