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1965年,Potts注意到了镉作业工人疾病谱的变化,发现氧化镉接触史10年以上的74名工人,亡故的8人中5人死亡于癌症,3人为前列腺癌。鸡血浆镉粉悬溶液皮下注射诱发大鼠局部损纹肌肉瘤,硫化镉大鼠皮下注射,除局部肿瘤外,还引起睾丸间质细胞瘤,由此提出了镉接触与人类肿瘤的可能联系
In 1965, Potts noticed changes in the spectrum of cadmium workers and found that among 74 workers who had been exposed to cadmium for more than 10 years, 5 died of cancer and 3 of them were prostate cancer. Subcutaneous injection of chicken plasma cadmium powder suspension induces subcutaneous injection of subcutaneous injection of cadavers in rats, subcutaneous injection of cadmium sulfide rats, in addition to local tumors, it also causes testicular stromal cell tumors, suggesting the possible link between cadmium exposure and human tumors