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作者自1967~1977年对接触二硫化碳(GS_2)工人进行了冠心病死亡率的调查。对象是粘胶纤维厂(1942~1967)接触 GS_2工龄五年以上的工人,1940年 GS_2和硫化氢浓度均较高,1950年 GS_2浓度为20~40 ppm,1960年为10~30 ppm,1967年选为随访对象,当时年龄24~64(平均45)岁。对照组为造纸厂不接触毒物而其它条件与接触组类似的工人。两组
Authors investigated the death rate of coronary heart disease from workers exposed to carbon disulfide (GS_2) from 1967 to 1977. The object was the viscose fiber factory (1942 ~ 1967) exposed to GS 2 years of service for more than five years of workers in 1940 GS 2 and hydrogen sulfide concentrations were higher in 1950, GS 2 concentration of 20 ~ 40 ppm in 1960 was 10 ~ 30 ppm, 1967 The year was selected as the follow-up object, when the age of 24 to 64 (average 45) years old. The control group consisted of workers who did not contact the paper mill with other conditions similar to the exposure group. Two groups