Jozala, Eduardo, Sidney Infante, Júlio Sérgio Marchini, and Nelson Okano. “ Alcohol, Tobacco and Middle Third Squamous Esophageal Cancer: A Case-Control Study ”. Revista de Saúde Pública 17, no. 3 (June 1, 1983): 221–225. Accessed May 20, 2024. https://www.revistas.usp.br/rsp/article/view/23168.