Kaya, Fatih, and Tarek Alsafdi. “Elevated Procalcitonin Levels Can Occur in Bacterial Infections and Also in Medullary Thyroid Carcinoma”. European Journal of Case Reports in Internal Medicine 11, no. 7 (June 27, 2024). Accessed November 4, 2026. https://ejcrim.com/index.php/ejcrim/article/view/4679.