Taengsakul, Nawaphan. “Small bowel metastasis with multiple sites of perforation caused by anaplastic thyroid carcinoma metastasis: A case report”. Journal of the Association of General Surgeons of Thailand under the Royal of Patronage of HM the King 9, no. 1 (May 16, 2024): 13–21. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/agstjournal/article/view/268693.