Carcinoma of the esophagus in Ibadan.
D000328:Adult; D000368:Aged; D002277:Carcinoma / Q000453:epidemiology; D004938:Esophageal Neoplasms / Q000453:epidemiology*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009549:Nigeria