Khaled El Sayed Foad El Hadidy , Khadiga Mohamed Abougabal , Nilly Helmy Abd Allah , Ahmed Mahmoud Khallaf , Khaled Ahmed Zakaria , trans. 2025. “Prevalence of Abnormal Serum 25-HydroxyVitamin D and Its Association With Hemoglobin Level in Pre-Dialysis Chronic Kidney Disease (CKD) Patients”. Cuestiones De Fisioterapia 54 (3): 4144-53. https://doi.org/10.48047/w2ap2g70.