B. M. H. Dahak and B. A. Al-Amrani, “Hepatoprotective Effects of Two Vitamin D3 Formulations on Letrozole-Induced Polycystic Ovary Syndrome in Female Rats: An Experimental Study”, UST J Med Sci, vol. 4, Jan. 2026, doi: 10.59222/ustjms.4.1.