Comparative Analysis of the Risk of Rebleeding between Catheter Angiography and Colonoscopy Following a Positive Computed Tomography Angiography Results in Patients with Severe Lower Gastrointestinal Bleeding Jihye Park, Seo Yoon Choi, Soo Jung Park, Jae Jun Park, Tae Il Kim, Jae Hee Cheon Gut and Liver.2025; 19(6): 860. CrossRef