Capsule Endoscopy or Mesenteric Angiogram in Patients With Overt Gastrointestinal Bleeding (GIB) of Obscure Origin [clinicaltrials:NCT00153686]

Capsule Endoscopy or Mesenteric Angiogram in Patients With Overt Gastrointestinal Bleeding (GIB) of Obscure Origin [clinicaltrials:NCT00153686]