Dea Muthia Salsabila. “DEFICIENCY OF VITAMIN B12 AND NEUROLOGICAL DISORDERS”. Jurnal Medika Hutama 2, no. 01 Oktober (October 3, 2020): 238-249. Accessed June 4, 2026. http://www.jurnalmedikahutama.com/index.php/JMH/article/view/71.