title: [Esophageal cytologic sampling under fluoroscopic guide in the diagnosis of carcinoma of the esophagus].
mesh_terms: D000328:Adult; D000368:Aged; D001466:Barium Sulfate; D001706:Biopsy; D002294:Carcinoma, Squamous Cell / Q000175:diagnosis*; D004938:Esophageal Neoplasms / Q000175:diagnosis*; D004947:Esophagus / Q000473:pathology*; D005260:Female; D005471:Fluoroscopy; D006801:Humans; D008297:Male; D008875:Middle Aged
chemical_list: D001466:Barium Sulfate