Johannes Vermehren
3 clinical trials · Sponsor
| Record | Firm | Date |
|---|---|---|
| Metal Stents (Moving Cell Stent) for Inoperable Tumors of the Bile Duct Tract (NCT03788655) | Johannes Vermehren | 2018-12-31 |
| PTFE Stents for Treatment of Malignant Biliary Strictures (NCT03763214) | Johannes Vermehren | 2018-03-01 |
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