title: Unexplained noncardiac chest pain.
authors.forename: F P
authors.initials: FP
authors.lastname: Castrina
mesh_terms: D002637:Chest Pain / Q000209:etiology*; D003327:Coronary Disease / Q000175:diagnosis*; D003951:Diagnostic Errors; D004935:Esophageal Diseases / Q000175:diagnosis*; D006801:Humans