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西欧自从1880年起在葡萄园中使用由硫酸铜及氧化钙混合调制的波尔多液后,1917年起向其中加入了砷酸钙制剂。五十年代,德法等国有报导提出,使用含砷农药的葡萄园工人中肺癌发病率增加。此外,职业性砷接触及含砷饮水也引起人的肿瘤。但动物实验至今未能得到具有说服力的证据表明砷化合物的致癌性。本文报导一个有意义的初步试验结果,即
Western Europe since 1880 Bordeaux mixture of copper sulfate and calcium oxide prepared in the vineyard after the Bordeaux mixture, since 1917 to which a calcium arsenate preparation. In the 1950s, Germany and France reported that the incidence of lung cancer in vineyard workers using arsenic-containing pesticides increased. In addition, occupational arsenic exposure and arsenic-drinking also cause human tumors. However, animal experiments have so far failed to provide convincing evidence that carcinogenicity of arsenic compounds. This article reports a meaningful preliminary trial result, that is