title: The clinical value of the negative gastrointestinal exfoliative cytologic examination in cancer suspects.
mesh_terms: D003581:Cytodiagnosis; D004067:Digestive System Neoplasms; D005762:Gastroenterology / Q000175:diagnosis*; D041981:Gastrointestinal Tract; D006801:Humans; D009369:Neoplasms
keywords: CYTODIAGNOSIS; GASTROENTEROLOGY/diagnosis; GASTROINTESTINAL SYSTEM/neoplasms