title: When to stop the search for an elusive source of gastrointestinal bleeding.
authors.affiliation: Gastroenterology, Portland VA Medical Center, Portland, Oregon, USA. sonnenbe@ohsu.edu
authors.forename: A
authors.initials: A
authors.lastname: Sonnenberg
mesh_terms: D001499:Bayes Theorem; D003663:Decision Trees; D016099:Endoscopy, Gastrointestinal / Q000191:economics; D006471:Gastrointestinal Hemorrhage / Q000175:diagnosis* / Q000191:economics; D006801:Humans; D011336:Probability