Mariam Elahjal, Fatima Elhaji, Aisha Rhoma, Muna Elkouha, Najua Ferrara, and Ayoub Ashour. 2023. “Vitamin D Insufficiency and Deficiency in Chronic Kidney Disease Patients on Hemodialysis”. AlQalam Journal of Medical and Applied Sciences, July, 484-88. https://doi.org/10.54361/ajmas.247309.