Marrow, Zina Anwer Salloum, Abdul Hammed A. Al-Kassir, Nahla Majeed Tawfiq Al-Sakkal, and Julian Dulayl Khadduri. 2008. “Clinical Evaluation of the Levels of CEA,CA15-3 and AlphaFeto Protein in Malignant and Benign Pleural Effusion”. AL-Kindy College Medical Journal 4 (2): 57-62. https://jkmc.uobaghdad.edu.iq/index.php/MEDICAL/article/view/743.