Soehendra N, Seifert H, Thonke F, Seitz U, Wang Y G
Abteilung für Endoskopische Chirurgie, Universitätskrankenhaus Hamburg-Eppendorf.
Chirurg. 1994 May;65(5):413-7.
Endoscopically, approximately 85% of all bile duct stones can be removed immediately after successful papillotomy. For the remaining cases, complete clearance of the bile duct is achieved by lithotripsy techniques. Due to the lower risks, endoscopic treatment is preferable.