RUBIN, C E Exfoliative cytology of the esophagus. [electronic resource] - CA: a cancer journal for clinicians - 90-6 p. digital Publication Type: Journal Article ISSN: 0007-9235 Standard No.: 10.3322/canjclin.10.3.90 doi Subjects--Topical Terms: CytodiagnosisEsophageal NeoplasmsHumans