Tony Breu on Twitter: "3/4 - The Explanation We learned in 1959 that B12 is absorbed in the terminal ileum. The study in tweet 2 shows well that B12 is produced by
Deficiency of vitamin B12 and its relation with neurological disorders: a critical review | The Journal of Basic and Applied Zoology | Full Text
The Symptoms of Vitamin B12 Deficiency
vitamin B12 | C63H88CoN14O14P - PubChem
Prevalence of Vitamin B12 Deficiency and its Associated Factors among Patients with Type 2 Diabetes Mellitus on Metformin from a District in Malaysia | Journal of the ASEAN Federation of Endocrine Societies
Frontiers | Vitamin B12 Intake From Animal Foods, Biomarkers, and Health Aspects