Abd El Moneim, Nadia, Taha Hewala, Mona Rashad, Yousria El-Sayed, Nehal Abu-Samra, and Medhat Anwar. “The Role of Serum 25-Hydroxyvitamin D, Ionized Calcium and Phosphorus in Breast Cancer Females: A Case-Control Study”.
International Journal of Basic and Applied Sciences 4, no. 2 (May 20, 2015): 228–237. Accessed April 28, 2025.
https://sciencepubco.com/index.php/IJBAS/article/view/4563.