[Preliminary investigation of the esophageal epithelial cells in members of families with high and low incidence of esophageal cancer].
D000328:Adult; D000367:Age Factors; D000368:Aged; D004847:Epithelial Cells; D004938:Esophageal Neoplasms / Q000453:epidemiology / Q000235:genetics* / Q000473:pathology; D004947:Esophagus / Q000166:cytology / Q000473:pathology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged