1. Abbott J Hawe J Garry R RCT comparing intraperitoneal gas drainage to placebo for the reduction of postoperative pain (LIDS) 9th Annual Congress of the International Society for Gynecologic Endoscopy/10th Annual Meeting of the Australian Gynaecological Endoscopy Society, Gold Coast, Australia, April 16-19 2000 96
2. Intraperitoneal gas drain to reduce pain after laparoscopy: randomized masked trial;Abbott;Obstetrics and Gynecology,2001
3. Hunter D Hawe J Srivastava P Garry R Abbott J A double blind randomised, placebo controlled trial evaluating the use of an intraperitoneal gas drain in the reduction of pain after surgery Gynaecological Endoscopy, 9th Congress of the European Society for Gynaecological Endoscopy, Paris, 19-21 October 2000 59
4. Abdominal pain after laparoscopy: the value of a gas drain;Alexander;British Journal of Obstetrics and Gynaecology,1987
5. Postoperative pain after local anesthetics for laparoscopic sterilization;Benhamou;Obstetrics and Gynecology,1994