A few months ago reference was made editorially in the ANNALS to the known extrinsic factors having a carcinogenic or sarcogenic action. X-ray and other solar irradiation have both been recognized for many years as belonging in this group. That the radio-active source may be within the body of the victim, inseparable from him, diminishing in amount and activity only by its natural and unalterable decay, and at the same time be capable of inducing neoplastic proliferation in a startling conception. Martland1 has demonstrated that this is exactly the situation which obtains with certain of the radium dial painters. Knowledge
INTERNAL RADIATION IN THE CAUSATION OF MALIGNANCY. Ann Intern Med. ;5:932–934. doi: 10.7326/0003-4819-5-7-932
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Published: Ann Intern Med. 1932;5(7):932-934.
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