Rice, J G Improving the ease and safety of laparoscopy: a technique for open insertion of the umbilical trocar. [electronic resource] - The Australian and New Zealand journal of surgery Sep 1998 - 664-5 p. digital Publication Type: Journal Article ISSN: 0004-8682 Standard No.: 10.1111/j.1445-2197.1998.tb04840.x doi Subjects--Topical Terms: Abdominal MusclesHumansLaparoscopy--adverse effectsSafetyUmbilicus