1. Pleural effusion: a diagnostic dilemma;Storey;JAMA,1976
2. Pleural effusions;Light;Med Clin North Am,1977
3. Evaluation of pleural effusions and pleural biopsy;Sahn,1975
4. Oxygen and carbon dioxide tensions and the pH of pleural effusion;Kokkola;Scand J Respir Dis,1974
5. Measurement of respiratory gases and pH of pleural fluid;Funahashi;Am Rev Respir Dis,1973