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本文报道了加拿大一铝厂588名工人的流行病学调查,结果发现40%工人的上胸、背部及双肩皮肤毛细管扩张增多,且与职业接触时间有明显的关系,但未发现有关疾病的增多。该厂分为电解、铸造、经营和管理等四个部门。
This paper reports on the epidemiological investigation of 588 workers in Canada’s Al-Aluminum Factory and found that 40% of the workers had increased upper and lower back and shoulder skin capillary dilatation and had a clear relationship with occupational exposure time but no increase in the disease was found . The plant is divided into electrolysis, casting, management and management of four departments.