TY - JOUR AU - Korman, L Y; Overholt, B F; Box, T TI - Perforation during colonoscopy in endoscopic ambulatory surgical centers JO - Gastrointest Endosc VL - 58 PY - 2003 DO - 10.1067/S0016-5107(03)01890-X L3 - PubMed-ID: 14520289 SP - 554 EP - 557 ER -