“The Relationship Between Serum Levels of (1-25 Dehydroxy Colicalcifirole) Vitamin D3 and Parathormone (PTH) and Hip Fractures in Older People”. 2024. Latakia University Journal -Medical Sciences Series 46 (4): 503-21. https://journal.latakia-univ.edu.sy/index.php/hlthscnc/article/view/17959.