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2. Le cancer de l'oesophage en fonction des niveaux de consommation d'alcol et du tubac. Des risques qui se multiplient;Tuyns;Bull Cancer (Paris),1977
3. Epidemoogc and dietary evidence for a specific nutritional predisposition to esophageal cancer;Van Rensburg;J Natl Cancer Inst,1981
4. Esophageal cancer among black men in Washington DC. II. Role of nutrition;Ziegler;J Natl Cancer Inst,1981
5. Diet and cancer of the esophagus;Mettlin;Nutr Cancer,1981