1. Koss LG, Melamed MR. Effusions in the Presence of Cancer. In: Koss′ Diagnostic cytology and its histopathologic bases. Philadelphia: 5 th ed. Lippincott Williams and Wilkins; 2006. p. 949-1022.
2. Naylor B. Pleural, peritoneal, and pericardial fluids. In: Bibbo M, editor. Comprehensive cytopathology. 2 nd ed. Philadelphia: W.B. Saunders Co; 1997. p. 551-621.
3. Tao LC. Cytopathology of malignant effusions. Chicago: ASCP Press; 1996.
4. Shidham VB, Atkinson BF. Approach to diagnostic cytopathology of effusions. In Shidham VB and Atkinson BF, editors. Cytopathologic Diagnosis of Serous Fluids. 1 st ed. 2007, Chapter 3. Philadelphia: PA: W. B. Saunders Company.