MOFIDICATION IN SAMPLE PREPARATION FOR THE MICROBIOLOGICAL ASSAY OF VITAMIN B12.
D001681:Biological Assay; D006397:Hematinics; D012106:Research; D013048:Specimen Handling; D014805:Vitamin B 12
D006397:Hematinics; D014805:Vitamin B 12
BIOLOGICAL ASSAY; EXPERIMENTAL LAB STUDY; VITAMIN B 12