Johanna C F Willburger

Unusual intraoperative finding of abnormal retroperitoneal ileum: a case report

M. Flüe, D. Steinemann, M. Guenin, 2020, Journal of surgical case reports.

Incidence, Treatment and Outcome of Patients with Retroperitoneal Soft-Tissue Sarcoma in Switzerland 2005–2015: A Population-Based Analysis

C. Kettelhack, T. Glass, C. J. Peterson, 2021, World Journal of Surgery.