Laparoscopic repair of perforated duodenal ulcers: the simple "one-stitch" suture with omental patch technique. - Song KY; Kim TH; Kim SN; Park CH; Song, Kyo-Young; Kim, Taeg-Hyun; Kim, Seung-Nam; Park, Cho-Hyun (Surgical Endoscopy & Other Interventional Techniques, 2008)