NCT01889394
- Conditions
- Cysts, Neoplasms, Pilonidal Sinus
- Locations
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- Kantonsspital Liest Liestal, Basel-Landschaft, Switzerland
- Gesundheitszentrum Fricktal Rheinfelden, Canton of Aargau, Switzerland
- Spitalzentrum Oberwallis Visp, Valais, Switzerland