4Chainani-WuN.Diet and oral,pharyngeal,and esophageal cancer.Nutr Cancer 2002,44(2):104-106.
5De Stefani E,Boffetta P,Deneo-Pellegrini H,RoncoAL,CorreaP,Mendilaharsu[M].The role of vegetable and fruit consumption in the aetiology of squamous cell carcinoma of the esophagus:a case-control studying Uruguay.Int J Cancer,2005,116(1):130-135.
6Wang H,Wei H,Ma J,etal.The fumonisin B1 content in corn from North China,a high-risk area of esophageal cancer[J].J Environ Pathol Toxicol Oncol,2000,19(1-2):139-141.
7Marasas WF.Discovery and occurrence of the fumonisins:a historical perspective[J].Environ Health Perspect,2001,109(l2):239-243.
8David S,Joseph F.Cancer epidemiology and prevention[M].Second edition.Corby:Oxford University Press,1996,687-690.
9Ogimoto I,Shibata A,Fukuda K.World Cancer Research Fund/American Institute of Cancer Research 1997 recommendations:applcability to digestive tract cancer in Japan[J].Cancer Causes Control,2000,11(1):9-23.