[ON THE METHOD OF DETERMINING VITAMIN B12 IN THE BLOOD AND URINE WITH ESCHERICHIA COLI CULTURE].
D001681:Biological Assay; D001774:Blood Chemical Analysis; D001826:Body Fluids; D045728:Corrinoids; D004926:Escherichia coli; D006397:Hematinics; D012106:Research; D014556:Urine; D014805:Vitamin B 12
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
BIOLOGICAL ASSAY; BLOOD CHEMICAL ANALYSIS; ESCHERICHIA COLI; EXPERIMENTAL LAB STUDY; URINE; VITAMIN B 12
K METODIKE OPREDELENIIA VITAMINA B12 V KROVI I MOCHE S KUL'TURO I KISHECHNO I PALOCHKI.