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Differentiating between malignant and idiopathic pleural effusions: the value of diagnostic procedures.

E. Felip, T. F. Sevilla, J. Andreu, 2007, QJM : monthly journal of the Association of Physicians.

Predictors of pleural malignancy in patients with pleural effusion undergoing thoracoscopy.

E. Pallisa, I. Gich, F. Morell, 2005, Chest.