in two prospective studies , one involving 110 intensive-care unit ( icu ) patients with mainly nosocomial pneumonias and the other 105 patients with community-acquired pneumonias , we investigated the incidence and significance of legionella pneumophila and non-pneumophila pneumonias on the basis of 17 different main serogroups .
C0694549
community-acquired pneumonias
C0032285
pneumonias