Hassan, Mohamed Hadi, and Layla S. Abdul-Hassan. “Study Association of CA15-3, CEA With Vitamin D3 in Patients Suffering from Breast Cancer”. Medical Science Journal for Advance Research 5, no. 3 (August 30, 2024). Accessed August 13, 2026. https://medical.science.journal-asia.education/index.php/msjar/article/view/211.