Single-Incision Multiport/Single Port Laparoscopic Abdominal Surgery (SILAP): A Prospective Multicenter Observational Quality Study.
René MantkeMarkus K DienerSiegfried KropfRonny OttoThomas MangerBoris VestweberLutz MirowGuenther WindeHans LippertPublished in: JMIR research protocols (2016)
German Clinical Trials Register: DRKS00004594; https://drks-neu.uniklinik-freiburg.de/drks_web/navigate.do?navigationId=trial.HTML&TRIAL_ID=DRKS00004594 (Archived by WebCite at http://www.webcitation.org/6jK6ZVyUs).