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Therapeutic procedure in 264 patients
| Type of procedure | n | % |
| Sphincterotomy alone | 40 | 11.9 |
| Sphincterotomy+stone extraction | 86 | 25.6 |
| Sphincterotomy+biliary stenting | 42 | 12.5 |
| Stricture dilatation±sphincterotomy | 3 | 0.9 |
| Nasobiliary drainage±sphincterotomy | 2 | 0.6 |
| Biliary stenting/stent removal alone | 73 | 21.7 |
| Stone extraction alone | 7 | 2.1 |
| Dilatation and stenting | 5 | 1.5 |
| SOD manometry | 2 | 0.6 |
| Biopsy/cytology | 4 | 1.2 |
