title: Colonic preparation for computed tomographic colonography: understanding the relative advantages and disadvantages of a noncathartic approach.
authors.forename: Perry J
authors.initials: PJ
authors.lastname: Pickhardt
mesh_terms: D002400:Cathartics / Q000009:adverse effects; D023881:Colonography, Computed Tomographic; D015179:Colorectal Neoplasms / Q000000981:diagnostic imaging*; D006801:Humans
chemical_list: D002400:Cathartics