Tkhadum, Z. and Mousa, H.M. 2025. Association of vitamin D3 deficiency with autoimmun hypothyroidism in Southern Iraqi patients: A regional study from Thi-Qar Province. Edelweiss Applied Science and Technology. 9, 6 (Jun. 2025), 1094–1103. DOI:https://doi.org/10.55214/25768484.v9i6.8031.