[Determination of vitamin B12 with the aid of radioactive carbon C-14].
D002244:Carbon; D002250:Carbon Radioisotopes; D045728:Corrinoids; D006397:Hematinics; D011851:Radioactivity; D014805:Vitamin B 12 / Q000737:chemistry*
D002250:Carbon Radioisotopes; D045728:Corrinoids; D006397:Hematinics; D002244:Carbon; D014805:Vitamin B 12
CARBON/radioactive; VITAMIN B 12/chemistry