Mansour, S. E. S., Elkanishy, G. M. H., Abbas, T. M., Ibrahim, A. B. E. (2022). 'Valvular Calcification in Hemodialysis Cases: Relation to Functional Deficiency of Vitamin K and 25-Hydroxyvit-D Serum Level', The Egyptian Journal of Hospital Medicine, 88(1), pp. 3078-3082. doi: 10.21608/ejhm.2022.244544