5Muro K,Ohtsu A,Boku N,et al. Association of p53 protein expression with responses and survival patients with locally advanced esophageal cancer treated with chemoradiotherapy. Jpn J Clin Oncol,1996,26∶65-69.
6Sauter ER,Keller SM,Erner SM. p53 correlates with improved survival in patients with esophageal adenocarcinoma. J Surg Oncol,1995,58∶269-273.
7Lichtenstein MJ,Mulrow CD,Elwood PC. Guidelines for reading case control studies. J Chron Dis,1987,40∶893-903.
