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近年来肺癌死亡率明显升高,居恶性肿瘤死因构成比的前列。本次研究采用回顾性配对病例对照方法。研究肺癌危险因素,估计其相对危险度和归因危险度。材料和方法病例来源收集南京市市级医院1986～1989年经病理切片,脱落细胞检查:X线及手
In recent years, the mortality rate of lung cancer has increased significantly, ranking the front rank of the cause of death from malignant tumors. This study used a retrospective matched case-control method. Study risk factors for lung cancer and estimate its relative risk and attributable risk. Materials and Methods Case Source Collection Nanjing Municipal Hospital 1986~1989 Pathological section, exfoliated cell examination: X-ray and hand