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gallium-68 in Medicine

gallium-68

n.
  1. A positron-emitting nuclide having a half-life of 1.13 hours, used as a tracer in brain scanning.
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.