by Professor D. W. Smithers.
Radioactive isotopes are used in medicine both for the changes they can bring about in living tissue and as 'tracers' which show how materials move about in the body and how they behave.
(to 11.45)
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by Professor D. W. Smithers.
Radioactive isotopes are used in medicine both for the changes they can bring about in living tissue and as 'tracers' which show how materials move about in the body and how they behave.
(to 11.45)