Lee-Guzman, Corinne, Michael Guzman, Edmond Ghahramani, Thomas Johnson, Vijaya Thakur, and David Canton. 2011. “A Study of the Prevalence of Vitamin B12 Deficiency in Turlock, California”. Osteopathic Family Physician 3 (5):195-201. https://ofpjournal.com/index.php/ofp/article/view/220.