Abd El Moneim, Nadia, et al. “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, vol. 4, no. 2, May 2015, pp. 228-37, https://doi.org/10.14419/ijbas.v4i2.4563.