[Quantitative chromatography of vitamin B12 produced by some microorganisms].
D002845:Chromatography; D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12 / Q000032:analysis*
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
VITAMIN B12/determination
Kolichestvennaia khromatografiia vitamina B12, obrazuemogo nekotorymi mikroorganizmami.