Childhood empyema in south east of Nigeria.
D002648:Child; D002675:Child, Preschool; D004653:Empyema / Q000453:epidemiology* / Q000209:etiology; D005260:Female; D006801:Humans; D007223:Infant; D008297:Male; D009549:Nigeria; D011014:Pneumonia / Q000150:complications; D012189:Retrospective Studies