Minimizing postcolonoscopy abdominal pain by using CO2 insufflation: A prospective, randomized, double blind, controlled trial evaluating a new commercially available CO2 delivery system☆
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☆ Reprint requests: Professor Richard H. Hunt, MD, Division of Gastroenterology, McMaster University Medical Center, 1200 Main St. West, Hamilton, Ontario, Canada L8N 3Z5.
PII: S0016-5107(02)70176-4
© 2002 American Society for Gastrointestinal Endoscopy. Published by Elsevier Inc. All rights reserved.

