RT Journal Article SR Electronic T1 Cost-Efficiency of Robotic Surgery JF International Journal of Gynecologic Cancer JO Int J Gynecol Cancer FD BMJ Publishing Group Ltd SP 992 OP 993 DO 10.1097/IGC.0000000000000747 VO 26 IS 6 A1 Al Covens A1 Christhardt Köhler A1 Joo-Hyun Nam A1 R. Wendel Naumann A1 Andreas Obermair A1 Denis Querleu YR 2016 UL http://ijgc.bmj.com/content/26/6/992.abstract AB