Comment on

• Pleural effusions: the diagnostic separation of transudates and exudates.

  Light RW, Macgregor MI, Luchsinger PC, Ball WC Jr. Light RW, et al. Ann Intern Med. 1972 Oct;77(4):507-13. doi: 10.7326/0003-4819-77-4-507. Ann Intern Med. 1972. PMID: 4642731 No abstract available.
• Is it meaningful to use biochemical parameters to discriminate between transudative and exudative pleural effusions?

  Romero-Candeira S, Hernández L, Romero-Brufao S, Orts D, Fernández C, Martín C. Romero-Candeira S, et al. Chest. 2002 Nov;122(5):1524-9. doi: 10.1378/chest.122.5.1524. Chest. 2002. PMID: 12426248