参考资料:
1. J.N. Bruneton. Applications of Sonography in Head and Neck Pathology. (2012) ISBN: 9783642562136 - Google Books
2. Mira Milas, Susan J. Mandel, Jill E. Langer. Advanced Thyroid and Parathyroid Ultrasound. (2017) ISBN: 9783319441009 - Google Books