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[英]／NakanishiY…Cancer．－1995，75（7）．-1657～1662在人类多种器官中，常可见到中心性癌及第二原发癌。Slaughter等学者提出“区域癌症化”（fieldcanoe－rization）理论来解释在同一解剖区域发生另一件癌。在上呼吸道上消化道常发牛多中心性鳞癌。为研究肿瘤抑制基因P5
[English]/NakanishiY...Cancer. -1995, 75(7). -1657-1662 In many human organs, central cancer and second primary cancer are often seen. Slaughter et al. proposed the “field cancer-rization” theory to explain the occurrence of another cancer in the same anatomical region. In the upper gastrointestinal tract, cattle often have multiple central squamous cell carcinomas. To study tumor suppressor gene P5