【摘要】 本文对职业性接触亚硝酸盐可否引起肿瘤死亡增高进行了流行病学调查。结果表明:（1）接触者癌症死亡水平并不高于上海市一般人群,但略高于上海市手工业局系统的死亡水平。其胃癌、肺癌,肝癌的位次与上海市的位次基本一致,（2）未见接触防锈水（内含NaNO₂）与胃癌之间呈接触-反应关系。本文还结合文献讨论了与职业流行病学有关的一些理论和实践问题,并提出了加强预防措施的几点建议。更多还原

【Abstract】 An investgation on whether the professioal contact with nitrites causes higher cancer-death has been put forward。1.The cancer-death 1evel of contact is not higher than that of Shanghai common people group, but is somewhat higher than the death 1evel of the Shanghai Handicraft Industry Bureau. The rank order of cancers of the stomach, liver and lungs is almost the same as that of Shanghai. 2. The Contact-reaction relationship has not been found between the contact with antirusting solution （containing NaNO₂）and cancer of the stomach. Some theoretical and practical problems in relation to professional prevalence and some suggestions to enhance preventive measures have been discussed as well.更多还原