Aetiology and clinical presentation of pneumonia in hospitalized and outpatient children in Northeast Brazil and risk factors for severity

Nacul LC, Kirkwood BR, Carneiro AC, Pannuti CS, Magalhaes M, Arthur P. Aetiology and clinical presentation of pneumonia in hospitalized and outpatient children in Northeast Brazil and risk factors for severity. J Health Popul Nutr. 2005; 23(1): 6-15.