Khazaal, A., M. Yousif, A. Hendi, and D. Atwan. “Serum C-Peptide Levels As a Predictor of Beta-Cell Function in Children With Type 1 Diabetes”. Romanian Journal of Diabetes Nutrition and Metabolic Diseases, Vol. 30, no. 4, Dec. 2023, pp. 375-9, https://rjdnmd.org/index.php/RJDNMD/article/view/1442.