Singh, Swati, Sanjeev Kumar Singh, Geeta Maurya, and Rashmi. “Medullary Thyroid Carcinoma Spindle Cell Variant: A Rare Case Report”. International Journal of Research in Medical Sciences 11, no. 12 (November 29, 2023): 4555–4557. Accessed October 14, 2025. https://www.msjonline.org/index.php/ijrms/article/view/12692.