A radioactive isotope of cobalt with mass number '0 and exceptionally intense gamma-ray activity, used in radiotherapy, metallurgy, and materials testing.

钴的一种放射性同位素，质子数' 0，具有异常强烈的伽马射线作用，用于放射疗法、冶金和材料测试。

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Lilly is testing its gamma-secretase inhibitor on 1, 500 patients.

FORBES: Magazine Article

Do you think there is a safety issue with other gamma secretase inhibitors going forward in testing, such as the one Bristol-Myers Squibb is testing?

FORBES: Renegade Researcher Says Alzheimer's Drugs From Bristol-Myers, Pfizer May Be Unsafe Or Ineffective