HANAN M. SALEH. M.D., M. A. E. M., Y. AHMED, M.D., M. (2021). 'Serum Level of Vitamin B12 in Patients with Vitiligo and its Potential Role as a Disease Biomarker', The Medical Journal of Cairo University, 89(December), pp. 2953-2958. doi: 10.21608/mjcu.2021.225244