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
Overview of Vitamin B12 Deficiency - know its Symptoms, Causes & Diagnosis & Treatment
Causes of Vitamin B12 Deficiency | In-Depth Overview including Medications, Diseases & Fish Tapeworm - YouTube
Vitamin B12 Deficiency Symptoms
How Metformin Causes Vitamin B12 deficiency? | Epomedicine