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Laparoscopy
Catheter Ablation
Computer-Assisted Surgery
Colectomy
Ultrasonography
Reoperation
Liver Neoplasms
Colorectal Neoplasms
Rectovaginal Fistula
Colonic Diverticulitis
Crohn's Disease
Chronic Pancreatitis
Retrospective Studies
Treatment Outcome
Length of Stay
Time Factors
Clinical Competence
Rectum
Germany
Equipment Design
Co-Publications
35
20
11
9
7
5
4
3
2
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