عبدالله ن, فيصل رضوان, علي يوسف. The relationship between serum levels of (1-25 dehydroxy colicalcifirole) vitamin D3 and Parathormone (PTH) and hip fractures in older people. Tuj-hlth [Internet]. 2024Nov.13 [cited 2024Nov.24];46(4):503-21. Available from: https://journal.tishreen.edu.sy/index.php/hlthscnc/article/view/17959