Abbas, Bahra Rashid, Safa Eiz Aldein Nuraldin, Suha Saeed Azeez, and Kawa Fareq Dizaye. “Vitamin D Level and Its Correlation to Certain Biochemical Markers in Patients With Chronic Kidney Disease in Erbil City”. Journal of Neonatal Surgery 14, no. 30S (June 3, 2025): 591–597. Accessed November 3, 2025. https://jneonatalsurg.com/index.php/jns/article/view/7014.