The determination of radioactive and stable tracer isotopes.
D006801:Humans; D007554:Isotopes; D011849:Radioactive Tracers; D011851:Radioactivity; D011868:Radioisotopes
D007554:Isotopes; D011849:Radioactive Tracers; D011868:Radioisotopes
ISOTOPES/radioactive; RADIOACTIVITY; TRACERS/radioactive