Comment on

• Risk of perforation from a colonoscopy in adults: a large population-based study.

  Arora G, Mannalithara A, Singh G, Gerson LB, Triadafilopoulos G. Arora G, et al. Gastrointest Endosc. 2009 Mar;69(3 Pt 2):654-64. doi: 10.1016/j.gie.2008.09.008. Gastrointest Endosc. 2009. PMID: 19251006
• Colonoscopy and its complications across a Canadian regional health authority.

  Singh H, Penfold RB, DeCoster C, Kaita L, Proulx C, Taylor G, Bernstein CN, Moffatt M. Singh H, et al. Gastrointest Endosc. 2009 Mar;69(3 Pt 2):665-71. doi: 10.1016/j.gie.2008.09.046. Gastrointest Endosc. 2009. PMID: 19251007