Vitamin B12 Test: References

US Department of Health and Human Services. National Institutes of Health. Office of Dietary Supplements. Vitamin B12. https://ods.od.nih.gov/factsheets/VitaminB12-HealthProfessional/. Updated November 29, 2018. Accessed February 2019.

Vitamin B12 and folate. Lab Tests OnLine. https://labtestsonline.org/tests/vitamin-b12-and-folate. Updated January 20, 2019. Accessed February 2019.

Langan RC, Goodbred AJ. Vitamin B12 deficiency: recognition and management. American Family Physician. Am Fam Physician. 2017 Sep 15;96(6):384-389. https://www.aafp.org/afp/2017/0915/p384.html.