title: An unusual cause of persistent gastrointestinal bleeding.
authors.forename: Gustavo Pignaton de
authors.initials: GP
authors.lastname: Freitas
mesh_terms: D000368:Aged; D004378:Duodenal Diseases / Q000150:complications* / Q000175:diagnosis; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007443:Intussusception / Q000150:complications* / Q000175:diagnosis