Table 1 from Trends in analysis of vitamin B12. | Semantic Scholar
Biologically active or just “pseudo”-vitamin B12 as predominant form in algae-based nutritional supplements? - ScienceDirect
Full article: Vitamin B12 status in health and disease: a critical review. Diagnosis of deficiency and insufficiency – clinical and laboratory pitfalls
LC/ESI-MS/MS chromatograms of the vitamin B 12 compounds purified from... | Download Scientific Diagram