Abdulhadi Mohamed Jumaa, Meqdam Atiyah Khalaf and Hassan Yashar Hassan. Age-Associated Variations in Vitamin D Levels among Diabetic and Non-Diabetic Men. DHRD-V8 [Internet]. 2025 Mar. 27 [cited 2026 Jun. 4];:27-36. Available from: https://stm.bookpi.org/DHRD-V8/article/view/17777