[On a simplified method of determination of vitamin B12 with Poteriochromonas stipitata].
D001681:Biological Assay; D045728:Corrinoids; D056890:Eukaryota; D006397:Hematinics; D014805:Vitamin B 12
D045728:Corrinoids; D006397:Hematinics; D014805:Vitamin B 12
BIOLOGICAL ASSAY; PROTOZOA; VITAMIN B 12