Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) ASGE Standards of Practice Committee,The role of endoscopy in the management of patients with known and suspected colonic obstruction and pseudo-obstruction,Gastrointest Endosc,,,2010,71,,669-679,https://cir.nii.ac.jp/crid/1570291224364489472,