Vitamin B12 Test: References

Vitamin B12. October 2014. Merck Manual Professional Edition. Retrieved December 2014 from http://www.merckmanuals.com/professional/nutritional_disorders/vitamin_deficiency_dependency_and_toxicity/vitamin_b12.html Vitamin B12 and Folate. May 27, 2014.

Vitamin B12 and Folate. (2014). LabTestsOnLine. Retrieved 02/12/2015 from http://labtestsonline.org/understanding/analytes/vitamin-b12.

Pacholok, S. February 18, 2014. Pediatric Vitamin B12 Deficiency: When Autism Isn’t Autism. Retrieved December 2014 from http://www.pharmacytimes.com/publications/issue/2014/February2014/Pediatric-Vitamin-B12-Deficiency-When-Autism-Isnt-Autism