参考
1. Qiang Yan, Huaping Shen. Gallstones. (2022) ISBN: 9781838806750 - Google Books
2. Soumitra R. Eachempati, R. Lawrence Reed, II. Acute Cholecystitis. (2015) ISBN: 9783319148243 - Google Books
3. Dennis L. Cochlin, Paul A. Dubbins, Archie A. Alexander. Urogenital Ultrasound. (1994) ISBN: 9781853171178 - Google Books