Al-Baldawi, S. Q., H. K. Al-Hakeim, and I. Khémiri. “Selenium Status and Tryptophan Catabolites As Predictive Biomarkers of Depression in Hypothyroid Patients”. Regulatory Mechanisms in Biosystems 16, no. 3 (October 31, 2025): e25154. Accessed June 24, 2026. https://medicine.dp.ua/index.php/med/article/view/1424.