Precaution in the Use of Iodine-125 as a Radioactive Tracer

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Science  21 Feb 1964:
Vol. 143, Issue 3608, pp. 799-800
DOI: 10.1126/science.143.3608.799


The absorption of the low-energy radiation from iodine-125 under certain circumstances may be a serious disadvantage in its use as a radioisotopic tracer.