Fligelstone, L J Herniation at the site of cannula insertion after laparoscopic cholecystectomy. [electronic resource] - The British journal of surgery Oct 1993 - 1349 p. digital Publication Type: Comment; Letter ISSN: 0007-1323 Subjects--Topical Terms: Catheterization--adverse effectsCholecystectomy, Laparoscopic--adverse effectsHernia, Umbilical--etiologyHumansIntestinal Obstruction--etiology