Randomized controlled trial of single incision versus conventional multiport laparoscopic cholecystectomy with long-term follow-up.
Denis KleinAtakan Görkem BarutcuDino KröllMaik KilianJohann PratschkeRoland RaakowJonas RaakowPublished in: Langenbeck's archives of surgery (2020)
German Registry of Clinical Trials DRKS00012447.