3Issam Salman Al‑Azzawi1BB. Evaluating VDR Gene Expression and Vitamin D3 Levels in Calcium Oxalate Kidney Stone Patients: A Comparative Study with Healthy Controls. IJB [Internet]. 28Nov.2025 [cited 8Oct.2026];24(2). Available from: https://jige.uobaghdad.edu.iq/index.php/IJB/article/view/900