参考
1. Gregory G. Ginsberg, Michael L. Kochman, Ian D. Norton et al. Clinical Gastrointestinal Endoscopy E-Book. (2011) ISBN: 9781437735703 - Google Books
2. David Q.-H. Wang, Brent A. Neuschwander-Tetri, Piero A. M. Portincasa. The Biliary System. (2012) ISBN: 9781615043606 - Google Books