1. Transpapillary Cholangioscopy–Directed Lithotripsy in Patients With Difficult Bile Duct Stones 
Cyrus Piraka, Raj J. Shah, Nida S. Awadallah, Daniel A. Langer, Yang K. Chen 
Clinical Gastroenterology and Hepatology 
Volume 5, Issue 11, Pages (November 2007)
DOI: /j.cgh
Copyright © 2007 AGA Institute Terms and Conditions

2. Figure 1
Follow-up data.
Clinical Gastroenterology and Hepatology 2007 5, DOI: ( /j.cgh )
Copyright © 2007 AGA Institute Terms and Conditions