Carcinoma of the oesophagus: alcohol, tobacco and vitamins.
D000818:Animals; D001361:Avitaminosis / Q000150:complications*; D004938:Esophageal Neoplasms / Q000209:etiology* / Q000517:prevention & control; D000431:Ethanol / Q000009:adverse effects*; D006801:Humans; D012907:Smoking; D014801:Vitamin A / Q000627:therapeutic use
D014801:Vitamin A; D000431:Ethanol