1. https://www.btf-thyroid.org/what-is-thyroid-disorder
2. http://www.thyroid.org/wp-content/uploads/patients/brochures/Nodules_brochure.pdf
3. https://www.cancer.net/cancer-types/thyroid-cancer/statistics
4. https://tn-scui2020.grand-challenge.org/Home/
5. Lecture Notes in Computer Science;H Chen,2019