title: A technique for exfoliative cytology of the oesophagus.
mesh_terms: D000328:Adult; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D004938:Esophageal Neoplasms / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged