Carcinoma oesophagus in North Kerala.
D000230:Adenocarcinoma / Q000453:epidemiology; D000328:Adult; D000367:Age Factors; D000368:Aged; D002294:Carcinoma, Squamous Cell / Q000453:epidemiology; D004938:Esophageal Neoplasms / Q000000981:diagnostic imaging / Q000453:epidemiology* / Q000473:pathology; D004945:Esophagoscopy; D005247:Feeding Behavior; D005260:Female; D006801:Humans; D007194:India; D008297:Male; D008875:Middle Aged; D011859:Radiography; D012737:Sex Factors; D012907:Smoking / Q000453:epidemiology