Obando Santaella, I [Increase in the incidence of parapneumonic pleural effusions]. [electronic resource] - Anales de pediatria (Barcelona, Spain : 2003) Feb 2006 - 176-7 p. digital Publication Type: Comment; Letter ISSN: 1695-4033 Standard No.: 10.1157/13084183 doi Subjects--Topical Terms: ChildChild, PreschoolEmpyema, Pleural--epidemiologyHumansIncidenceInfantPleural Effusion--epidemiologyPneumonia, Bacterial--epidemiologySpain--epidemiology