title: Neoplastic cells in upper gastrointestinal secretion:  identification and value in diagnosis.
authors.forename: H M
authors.initials: HM
authors.lastname: LEMON
authors.forename: W W
authors.initials: WW
authors.lastname: BYRNES
mesh_terms: D004067:Digestive System Neoplasms; D041981:Gastrointestinal Tract; D009369:Neoplasms; D041742:Upper Gastrointestinal Tract