参考
1. Narra R. “Inverted V Sign” in Sub-Acute Combined Degeneration of Cord. JCDR. 2015. doi:10.7860/jcdr/2015/14028.5889
2. Srikanth S, Jayakumar P, Vasudev M, Taly A, Chandrashekar H. MRI in Subacute Combined Degeneration of Spinal Cord: A Case Report and Review of Literature. Neurol India. 2002;50(3):310-2. PMID 12391459