Diagnosis and management of parapneumonic effusions and empyemas

An excellent paper on diagnosis and management of parapneumonic effusions and empyemas is:

Parapneumonic Pleural Effusion and Empyema, Coenraad F.N. Koegelenberg, Andreas H. Diacon, Chris T. Bolliger, (Division of Pulmonology, Department of Medicine, and Division of Medical Physiology, Department of Biomedical Sciences, University of Stellenbosch and Tygerberg Academic Hospital, Cape Town, South Africa), Respiration Vol. 75, No. 3, 2008