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Henri Becquerel discovered radioactivity
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Artificial radiation was discovered.
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Radionuclides are first produced.
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Sam Seidlin wrote about nuclear medicine in the AMA magazine, and it became recognized as a possibility.
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There was a common use of nuclear medicine clinically.
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The Society of Nuclear Medicine was established.
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First publication of Journal of Nuclear Medicine
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The AMA officially recognized nuclear medicine as a treatment.
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The American Board of Nuclear Medicine was created.
