title: Empyema thoracis in Nigerians.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004653:Empyema / Q000453:epidemiology* / Q000209:etiology / Q000382:microbiology / Q000628:therapy; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria; D010996:Pleural Effusion / Q000382:microbiology; D011008:Pneumococcal Infections / Q000382:microbiology; D012737:Sex Factors; D012923:Social Class; D013203:Staphylococcal Infections / Q000382:microbiology; D013210:Staphylococcus / Q000302:isolation & purification; D013296:Streptococcus pneumoniae / Q000302:isolation & purification