[Determination, in the plasma, of substances of biological importance by means of the tracer use of radioactive compounds].
D045728:Corrinoids; D006801:Humans; D011851:Radioactivity; D011874:Radiometry; D013974:Thyroxine / Q000097:blood*; D014805:Vitamin B 12 / Q000097:blood*
D045728:Corrinoids; D014805:Vitamin B 12; D013974:Thyroxine
RADIOMETRY; THYROXIN/blood; VITAMIN B 12/blood