title: Hematochezia and syncope in a 21-year-old man.
authors.affiliation: Vanderbilt University Medical Center, Nashville, USA.
authors.forename: S
authors.initials: S
authors.lastname: Cornell
authors.forename: N J
authors.initials: NJ
authors.lastname: Gritter
mesh_terms: D000328:Adult; D003937:Diagnosis, Differential; D004378:Duodenal Diseases / Q000150:complications / Q000175:diagnosis*; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D008297:Male; D013575:Syncope / Q000209:etiology*; D014456:Ulcer / Q000150:complications / Q000175:diagnosis*