Dalia, Ibrahim Wagea Alla Balla, A. Abdrabo Abdelkarim, Abulmakarim Mahmoud Mustafa Hafiya, El-Sadiq Abdoalsamed Ahmed Omsalama, khalifa Abd El-Majeed Aza, Zainalabdeen Mustafa Hussain Alaa, and Garba Uba. “Assessment of Serum 25-Hydroxy Vitamin D Level Among Hypothyroidism With and Without Thyroid Peroxidase Antibodies”. Journal of Biochemistry, Microbiology and Biotechnology 10, no. 2 (December 31, 2022): 56–59. Accessed June 27, 2025. https://journal.hibiscuspublisher.com/index.php/JOBIMB/article/view/759.