A. Majeed, Marwah, and Zainab Abduljabbar Ridha Al-Ali. “Effect of Smoking on Blood Parameters and Thyroid Hormones in Men With Polycythemia”. Rafidain Journal of Science 33, no. 2 (June 1, 2024): 14–23. Accessed September 17, 2025. https://ojs.uomosul.edu.iq/index.php/rsci/article/view/47645.