title: Erratum to: objective volumetric comparison of room air versus carbon dioxide for colonic distention at screening CT colonography.
authors.affiliation: Department of Radiology, University of Wisconsin School of Medicine & Public Health, E3/311 Clinical Science Center, 600 Highland Ave., Madison, WI, 53792-3252, USA.
authors.forename: James L
authors.initials: JL
authors.lastname: Patrick
authors.forename: Joshua R
authors.initials: JR
authors.lastname: Bakke
authors.forename: Peter
authors.initials: P
authors.lastname: Bannas
authors.forename: David H
authors.initials: DH
authors.lastname: Kim
authors.forename: Meghan G
authors.initials: MG
authors.lastname: Lubner
authors.forename: Perry J
authors.initials: PJ
authors.lastname: Pickhardt