LI Mao-sheng, GEN Chang－you, WANG Li－wei, et al, . Epidemiology Investigation in 1991～1998 about Gastric Cancer Incidence and Geography Pathology of YangZhong City[J]. Cancer Research on Prevention and Treatment, 2000, 27(04): 319-321. DOI: 10.3971/j.issn.1000-8578.2803