1. Management of a malignant pleural effusion: British Thoracic Society Pleural Disease Guideline 2010;Roberts M. E.;Thorax,2010
2. Prognostic value of pleural effusion in patients with non‐small cell lung cancer;Sugiura S.;Clin. Cancer Res.,1997
3. Prognostic Impact of Minimal Pleural Effusion in Non–Small-Cell Lung Cancer
4. Malignant Pleural Effusion
5. Lymphocyte subsets in peripheral blood and pleural fluid;Lucivero G.;Eur. Respir. J.,1988