作者对一个生产氯乙烯的工厂和一个聚氯乙烯的工厂的161例死者作了比例性死亡率分析。此二厂从30年代后期投产。死亡病例包括在职及退休工人,不包括退休前转厂者。从1947到1973年底为止死亡原因肯定的有161例,从表1可见,由 The authors conducted a proportional mortality analysis of 161 deaths from a PVC plant and a PVC plant. The two plants put into operation from the late 1930s. Deaths include serving and retired workers, excluding retiree before retirement. From 1947 to the end of 1973 there are 161 positive reasons for death, as can be seen from Table 1, from