Jeon, Seong Ran, et al. “Is There a Difference Between Capsule Endoscopy and Computed Tomography As a First-Line Study in Obscure Gastrointestinal Bleeding?”. Turkish Journal of Gastroenterology, vol. 25, no. 3, Jan. 2014, pp. 257-63, doi:10.5152/tjg.2014.5498.