MeSH definition : Unstable isotopes of gold that decay or disintegrate emitting radiation. Au 185-196,
198-201, and 203 are radioactive gold isotopes.;
MeSH synonym : radioisotopes, gold;
MeSH annotation : Au-185-196, 198-201, 203; for routine use as tracer, use no qualifiers; for routine use as tracer, use no qualifiers;