“Association Between Thyroid Function Markers (TSH, Free T4) and Depression Severity Assessed by PHQ-9 in Hypothyroidism: An Analytical Approach”. Vascular and Endovascular Review 8, no. 4s (October 26, 2025): 211–216. Accessed August 25, 2026. https://verjournal.com/index.php/ver/article/view/381.