1. Colon perforations complicating colonoscopies: what is the best known evidence for prevention? Publication: [Harrisburg, Pa.] : Pennsylvania Patient Safety Authority, c2008 Subject(s): Colon -- injuriesColonoscopy -- adverse effectsColonoscopy -- methodsIntestinal Perforation -- etiologyIntestinal Perforation -- prevention & controlColonic Diseases -- diagnosisEvidence-Based MedicineRisk FactorsHumansPennsylvaniaUnited States