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Güller, U; Rosella, L; McCall, J; Brügger, L E; Candinas, D (2011). Negative appendicectomy and perforation rates in patients undergoing laparoscopic surgery for suspected appendicitis. British journal of surgery, 98(4), pp. 589-95. Bristol, UK: John Wright & Sons 10.1002/bjs.7395
Zingg, U; Rosella, L; Guller, U (2010). Population-based trend analysis of laparoscopic Nissen and Toupet fundoplications for gastroesophageal reflux disease. Surgical endoscopy and other interventional techniques, 24(12), pp. 3080-5. New York, N.Y.: Springer-Verlag 10.1007/s00464-010-1093-z
Guller, U; Rosella, L; Karanicolas, P J; Adamina, M; Hahnloser, D (2010). Population-based trend analysis of 2813 patients undergoing laparoscopic sigmoid resection. British journal of surgery, 97(1), pp. 79-85. Bristol, UK: John Wright & Sons 10.1002/bjs.6787