3Alexandrakis MG, Coulocheri SA, Bouros D, et al. Evaluation of ferritin, IL-6, IL-8, and TNF-α in the differentiation of exudates and transudates in pleural effusions. Anticancer Res. 1999,19:3607.
4Broaddus VC, Hbert CA, Vitangcol RV, et al. IL-8 is a major neutrophil chemotactic factor in pleural liquid of patients with empyema. Am Respir Dis, 1992,146(4):825.
