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Ann Intern Med. 1932;6(4):585-586. doi:10.7326/0003-4819-6-4-585_2
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Editorial reference has been made in the ANNALS1 to the accumulating evidence that radio-activity may be an important extrinsic factor in the etiology of cancer. Attention was called to the radio-activity of the ore in the oft-quoted Schneeberg mines, in which the miners have been known to suffer to a peculiar degree from pulmonary disease since this Bergkrankheit was described by Agricola in 1500. It is now well established that this illness was very frequently primary carcinoma of the lung. Less has been known until recently in regard to the occurrence of a similar affection in Joachimstal, a mining town


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