Shaaban, S. M., Z. Gaber, S. Semary, and A. M. Dewidar. “Impact of Vitamin B12 on Outcome of Early Stage Luminal A and B Breast Cancer, Single Center Experience”. Medical and Pharmaceutical Journal, vol. 2, no. 1, Mar. 2023, pp. 17-27, doi:10.55940/medphar202227.